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Positive coverage: check_all_crates / check all prefixes

check all prefixes
LineCoverageSource
48N/A(let crates = with_core_crate(&crates))
51✗(for_all(i in 0..crates.len())
(let program = crates.prefix(i).to_prove_decls())
(check_crate(program, &crates.crates[i]) => ()))
──────── ("check all prefixes")
55148(check_all_crates(crates) => ())

148 tests exercised this rule:

Source location: tests/basic_tests.rs:58

#[test]
fn hello_world() {
    FormalityTest::new(crates![crate Foo {
        trait Foo<T> where T: Bar<Self>, Self: Baz {}

        trait Bar<T> where T: Baz {}

        trait Baz {}

        impl Baz for u32 {}

        impl Bar<u32> for u32 {}
        impl<T> Bar<T> for () where T: Baz {}
    }])
    .skip_execute()
    .ok()
}
Proof tree
… (200 of 1245 nodes shown)

Source location: tests/basic_tests.rs:74

#[test]
fn basic_where_clauses_pass() {
    FormalityTest::new(crates![crate core {
        #![feature(non_lifetime_binders)]
        trait A<T> where T: B { }

        trait B { }

        trait WellFormed where for<T> u32: A<T> { }

        impl <T> B for T {}
    }])
    .skip_execute()
    .ok()
}
Proof tree

Source location: tests/basic_tests.rs:121

fn foo() -> () where for<T> u32: A<T> { trusted }

impl <T> B for T {}
}])
p_execute()
)
}

#[test]
ifetime_binder_in_fn_where_clause_fail() {
alityTest::new(crates![crate core {
trait A<T> where T: B { }

trait B { }

fn foo() -> () where for<T> u32: A<T> { trusted }
}])
(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
  non lifetime binders require #![feature(non_lifetime_binders)]"#]])
}

#[test]
ifetime_binder_in_trait_impl_where_clause_pass() {
alityTest::new(crates![crate core {
#![feature(non_lifetime_binders)]
trait A<T> where T: B { }

trait B { }

impl<T> B for T where for<U> u32: A<U> { }
}])
p_execute()
)
}

#[test]
ifetime_binder_in_trait_impl_where_clause_fail() {
alityTest::new(crates![crate core {
trait A<T> where T: B { }

trait B { }

impl<T> B for T where for<U> u32: A<U> { }
}])
(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
  non lifetime binders require #![feature(non_lifetime_binders)]"#]])
}

#[test]
ifetime_binder_in_neg_trait_impl_where_clause_pass() {
alityTest::new(crates![crate core {
#![feature(non_lifetime_binders)]
trait A<T> where T: B { }

trait B { }

impl<T> !A<T> for u32 where for<U> u32: A<U> { }

impl <T> B for T {}
}])
p_execute()
)
}

#[test]
ifetime_binder_in_neg_trait_impl_where_clause_fail() {
alityTest::new(crates![crate core {
trait A<T> where T: B { }

trait B { }

impl<T> !A<T> for u32 where for<U> u32: A<U> { }
}])
(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
  non lifetime binders require #![feature(non_lifetime_binders)]"#]])
}

#[test]
ifetime_binder_in_enum_where_clause_pass() {
alityTest::new(crates![crate core {
#![feature(non_lifetime_binders)]
trait A<T> where T: B { }

trait B { }

enum E where for<U> u32: A<U> { }

impl <T> B for T {}
}])
p_execute()
)
}

#[test]
ifetime_binder_in_enum_where_clause_fail() {
alityTest::new(crates![crate core {
trait A<T> where T: B { }

trait B { }

enum E where for<U> u32: A<U> { }
}])
(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
  non lifetime binders require #![feature(non_lifetime_binders)]"#]])
}

#[test]
ifetime_binder_in_struct_where_clause_pass() {
alityTest::new(crates![crate core {
#![feature(non_lifetime_binders)]
trait A<T> where T: B { }

trait B { }

struct S<T> where for<U> u32: A<U> { }

impl <T> B for T {}
}])
p_execute()
)
}

#[test]
ifetime_binder_in_struct_where_clause_fail() {
alityTest::new(crates![crate core {
trait A<T> where T: B { }

trait B { }

struct S<T> where for<U> u32: A<U> { }
}])
(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
  non lifetime binders require #![feature(non_lifetime_binders)]"#]])
}

#[test]
ime_binder_in_where_clause_without_feature_pass() {
alityTest::new(crates![crate core {
trait A<'b> { }

impl<'b> A<'b> for u32 { }

trait WellFormed where for<'b> u32: A<'b> { }
}])
p_execute()
)
}

#[test]
_adt_variant_dup() {
alityTest::new(crates![crate Foo {
enum Bar {
    Baz{},
    Baz{},
}
Proof tree

Source location: tests/basic_tests.rs:149

#[test]
fn non_lifetime_binder_in_trait_impl_where_clause_pass() {
    FormalityTest::new(crates![crate core {
        #![feature(non_lifetime_binders)]
        trait A<T> where T: B { }

        trait B { }

        impl<T> B for T where for<U> u32: A<U> { }
    }])
    .skip_execute()
    .ok()
}
Proof tree

Source location: tests/basic_tests.rs:179

#[test]
fn non_lifetime_binder_in_neg_trait_impl_where_clause_pass() {
    FormalityTest::new(crates![crate core {
        #![feature(non_lifetime_binders)]
        trait A<T> where T: B { }

        trait B { }

        impl<T> !A<T> for u32 where for<U> u32: A<U> { }

        impl <T> B for T {}
    }])
    .skip_execute()
    .ok()
}
Proof tree

Source location: tests/basic_tests.rs:209

#[test]
fn non_lifetime_binder_in_enum_where_clause_pass() {
    FormalityTest::new(crates![crate core {
        #![feature(non_lifetime_binders)]
        trait A<T> where T: B { }

        trait B { }

        enum E where for<U> u32: A<U> { }

        impl <T> B for T {}
    }])
    .skip_execute()
    .ok()
}
Proof tree

Source location: tests/basic_tests.rs:239

#[test]
fn non_lifetime_binder_in_struct_where_clause_pass() {
    FormalityTest::new(crates![crate core {
        #![feature(non_lifetime_binders)]
        trait A<T> where T: B { }

        trait B { }

        struct S<T> where for<U> u32: A<U> { }

        impl <T> B for T {}
    }])
    .skip_execute()
    .ok()
}
Proof tree

Source location: tests/basic_tests.rs:266

#[test]
fn lifetime_binder_in_where_clause_without_feature_pass() {
    FormalityTest::new(crates![crate core {
        trait A<'b> { }

        impl<'b> A<'b> for u32 { }

        trait WellFormed where for<'b> u32: A<'b> { }
    }])
    .skip_execute()
    .ok()
}
Proof tree

Source location: tests/basic_tests.rs:356

fn a() -> () { trusted }
}])
p_execute()
);
}

#[test]
_impl_dup() {
alityTest::new(crates![crate core {
trait MyTrait {}
struct MyStruct {}
impl MyTrait for MyStruct {}
impl MyTrait for MyStruct {}
}])
(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
  `impl MyTrait for MyStruct { }` is defined multiple times"#]]);
}

#[test]
_neg_impl_dup() {
alityTest::new(crates![crate core {
trait MyTrait {}
struct MyStruct {}
impl !MyTrait for MyStruct {}
impl !MyTrait for MyStruct {}
}])
(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
  `impl ! MyTrait for MyStruct {}` is defined multiple times"#]]);
}

#[test]
missing_required_fn() {
alityTest::new(crates![crate core {
trait Foo {
    fn bar(self_: u32) -> u32;
}
Proof tree

Source location: tests/basic_tests.rs:426

Proof tree

Source location: tests/borrowck.rs:128

fn foo() -> Datum {
    let x: Datum = Datum { value: 0_u32 };
    let y: Datum = x;
    x = Datum { value: 1_u32 };
    let z: Datum = x;
    return z;
}

Proof trees omitted for the remaining 138 tests.

Source location: tests/borrowck.rs:201

fn foo() -> u32 {
    let x: u32;
    if true {
        x = 1_u32;
    } else {
        x = 2_u32;
    }
    return x;
}

Source location: tests/borrowck.rs:270

fn foo() -> Datum {
    let x: Pair = Pair { first: Datum { value: 1_u32 }, second: Datum { value: 2_u32 } };
    let a: Datum = x.first;
    let b: Datum = x.second;
    return b;
}

Source location: tests/borrowck.rs:2025

#[test]
fn min_problem_case_3() {
    FormalityTest::new(feature_gate_program(NLL_GATE, MIN_PROBLEM_CASE_3))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                &access.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `m`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                place_loaned_ref = m : &!lt_1 mut Map"#]]);

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        MIN_PROBLEM_CASE_3,
    ))
    .skip_execute()
    .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        MIN_PROBLEM_CASE_3,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:2032

#[test]
fn min_problem_case_3() {
    FormalityTest::new(feature_gate_program(NLL_GATE, MIN_PROBLEM_CASE_3))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                &access.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `m`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                place_loaned_ref = m : &!lt_1 mut Map"#]]);

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        MIN_PROBLEM_CASE_3,
    ))
    .skip_execute()
    .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        MIN_PROBLEM_CASE_3,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:2105

fn foo() -> i32 {
    exists<'r0, 'r1> {
        let result: i32;
        {
            let v1: i32 = 22_i32;
            let v2: &'r0 i32 = &'r1 v1;
            result = *v2;
        }
        return result;
    }
}

Source location: tests/borrowck.rs:2220

fn min_problem_case_3<'a>(m: &'a mut Map) -> &'a mut Map {
    exists<'r0, 'r1> {
        let n: &'r0 mut Map = &mut 'r0 *m;
        if true {
        } else {
        }
        let o: &'r1 mut Map = &mut 'r1 *m;
        return o;
    }
}

Source location: tests/borrowck.rs:2282

fn foo<'a, 'b>(v1: &'a u32) -> &'b u32
where
    'a: 'b,
{
    exists<'r0> {
        let v2: &'r0 u32 = v1;
        return v2;
    }
}

Source location: tests/borrowck.rs:2299

fn foo<'a, 'b, 'c>(v1: &'a u32) -> &'c u32
where
    'a: 'b,
    'b: 'c,
{
    return v1;
}

Source location: tests/borrowck.rs:2341

fn min_problem_case_4<'a>(list: &'a mut Map, list2: &'a mut Map) -> u32 {
    exists<'r0> {
        let num: &'r0 mut u32 = &mut 'r0 (*list).value;
        list = &mut 'a *list2;
        num;
        return 0_u32;
    }
}

Source location: tests/borrowck.rs:2474

fn foo () -> u32 {
    exists<'l_p, 'l_q, 'loan_0, 'loan_1, 'loan_2, 'loan_3> {
        let a: u32 = 0_u32;
        let b: u32 = 0_u32;
        // In Rustc, the 1-tuple is needed for some reason
        // Niko does not 100% understand, else rustc is able to
        // see that this program is safe.
        let q: &'l_q mut u32 = &mut 'loan_0 a;
        let p: &'l_p mut u32 = &mut 'loan_1 a;
        if true {
            p = &mut 'loan_1 a;
            q = &mut 'loan_2 b;
        } else {
            p = &mut 'loan_3 b;
        }
        *q = 1_u32;
        return *p;
    }
}

Source location: tests/borrowck.rs:2664

fn foo() -> u32 {
    exists<'r0, 'r1> {
        'a: loop {
            let x: i32 = 0_i32;
            let r: &'r0 i32 = &'r1 x;
            let _y: i32 = *r;
            continue 'a;
        }
    }
}

Source location: tests/borrowck.rs:2692

fn foo() -> () {
    'a: {
        {
            let 'a: v: i32 = 0_i32;
        }
    }
}

Source location: tests/borrowck.rs:2831

#[test]
fn if_false_borrowck() {
    FormalityTest::new(feature_gate_program(NLL_GATE, IF_FALSE_BORROWCK))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                &access.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `m`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                place_loaned_ref = m : &!lt_1 mut Map"#]]);

    FormalityTest::new(feature_gate_program(POLONIUS_ALPHA_GATE, IF_FALSE_BORROWCK))
        .skip_execute()
        .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        IF_FALSE_BORROWCK,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:2838

#[test]
fn if_false_borrowck() {
    FormalityTest::new(feature_gate_program(NLL_GATE, IF_FALSE_BORROWCK))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                &access.place = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `m`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(m : &!lt_1 mut Map) : <&!lt_1 mut Map as Derefable>::Target
                place_loaned_ref = m : &!lt_1 mut Map"#]]);

    FormalityTest::new(feature_gate_program(POLONIUS_ALPHA_GATE, IF_FALSE_BORROWCK))
        .skip_execute()
        .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        IF_FALSE_BORROWCK,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:2911

fn foo<'a>(a: &'a u32) -> &'a u32 {
    exists<'r0> {
        let r: &'r0 u32 = identity::<&'r0 u32>(a);
        return r;
    }
}

Source location: tests/borrowck.rs:2933

fn bar() -> u32 {
    exists<'r1> {
        let v: u32 = 7_u32;
        let r: u32 = foo::<'r1>(&'r1 v);
        return r;
    }
}

Source location: tests/borrowck.rs:2961

fn foo<'a, 'b>(a: &'a u32) -> &'b u32
where 'a: 'b {
    let r: &'b u32 = identity::<&'b u32>(a);
    return r;
}

Source location: tests/borrowck.rs:3006

fn foo<'b>(a: &'b u32) -> &'b u32 {
    let r: &'b u32 = bar::<'b, &'b u32>(a);
    return r;
}

Source location: tests/borrowck.rs:3027

fn bar() -> u32 {
    exists<'r0, 'r1> {
        let v: u32 = 1_u32;
        let p: &'r0 u32 = &'r1 v;
        foo(0_u32);
        return *p;
    }
}

Source location: tests/borrowck.rs:3081

fn foo() -> u32 {
    exists<'r0, 'r1, 'r2, 'r3> {
        let p: Point = Point { x: 0_u32, y: 0_u32 };
        let b1: &'r0 mut u32 = &mut 'r1 p.x;
        let b2: &'r2 mut u32 = &mut 'r3 p.y;
        *b1 = 1_u32;
        *b2 = 2_u32;
        return 0_u32;
    }
}

Source location: tests/borrowck.rs:3200

fn reborrow<'a>(a: &'a mut u8) -> &'a mut u8 {
    exists<'r0, 'r1, 'r2, 'r3> {
        if true {
            let b: &'r1 mut u8 = &mut 'r0 *a;
            return b;
        } else { }

        let c: &'r3 mut u8 = &mut 'r2 *a;
        return c;
    }
}

Source location: tests/borrowck.rs:3266

#[test]
fn outlive_before_return_does_not_affect_merged_paths() {
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        OUTLIVE_BEFORE_RETURN_DOES_NOT_AFFECT_MERGED_PATHS,
    ))
    .skip_execute()
    .err(expect_test::expect![[r#"
        the rule "borrow of disjoint places" at (nll.rs) failed because
          condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
            &loan.place = *(a : &!lt_1 mut u8) : <&!lt_1 mut u8 as Derefable>::Target
            &access.place = *(a : &!lt_1 mut u8) : <&!lt_1 mut u8 as Derefable>::Target

        the rule "loan_cannot_outlive" at (nll.rs) failed because
          condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
            outlived_by_loan = {!lt_1, ?lt_2, ?lt_3, ?lt_4, ?lt_5}
            &lifetime.upcast() = !lt_1

        the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
          condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
          {
              Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
              {
                  Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                  Lt::Variable(Variable::ExistentialVar(_)) => true,
                  Lt::Variable(Variable::BoundVar(_)) =>
                  panic!("cannot outlive a bound var"), Lt::Erased => true,
              }, Parameter::Const(_) => panic!("cannot outlive a constant"),
          })`

        the rule "write-indirect" at (nll.rs) failed because
          pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `a`

        the rule "write-indirect" at (nll.rs) failed because
          condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
            place_accessed = *(a : &!lt_1 mut u8) : <&!lt_1 mut u8 as Derefable>::Target
            place_loaned_ref = a : &!lt_1 mut u8"#]]);

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        OUTLIVE_BEFORE_RETURN_DOES_NOT_AFFECT_MERGED_PATHS,
    ))
    .skip_execute()
    .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        OUTLIVE_BEFORE_RETURN_DOES_NOT_AFFECT_MERGED_PATHS,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3273

#[test]
fn outlive_before_return_does_not_affect_merged_paths() {
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        OUTLIVE_BEFORE_RETURN_DOES_NOT_AFFECT_MERGED_PATHS,
    ))
    .skip_execute()
    .err(expect_test::expect![[r#"
        the rule "borrow of disjoint places" at (nll.rs) failed because
          condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
            &loan.place = *(a : &!lt_1 mut u8) : <&!lt_1 mut u8 as Derefable>::Target
            &access.place = *(a : &!lt_1 mut u8) : <&!lt_1 mut u8 as Derefable>::Target

        the rule "loan_cannot_outlive" at (nll.rs) failed because
          condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
            outlived_by_loan = {!lt_1, ?lt_2, ?lt_3, ?lt_4, ?lt_5}
            &lifetime.upcast() = !lt_1

        the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
          condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
          {
              Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
              {
                  Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                  Lt::Variable(Variable::ExistentialVar(_)) => true,
                  Lt::Variable(Variable::BoundVar(_)) =>
                  panic!("cannot outlive a bound var"), Lt::Erased => true,
              }, Parameter::Const(_) => panic!("cannot outlive a constant"),
          })`

        the rule "write-indirect" at (nll.rs) failed because
          pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `a`

        the rule "write-indirect" at (nll.rs) failed because
          condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
            place_accessed = *(a : &!lt_1 mut u8) : <&!lt_1 mut u8 as Derefable>::Target
            place_loaned_ref = a : &!lt_1 mut u8"#]]);

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        OUTLIVE_BEFORE_RETURN_DOES_NOT_AFFECT_MERGED_PATHS,
    ))
    .skip_execute()
    .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        OUTLIVE_BEFORE_RETURN_DOES_NOT_AFFECT_MERGED_PATHS,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3290

fn reborrow<'a>(a: &'a mut u8) -> &'a mut u8 {
    exists<'r0, 'r1, 'r2, 'r3> {
        let b: &'r1 mut u8 = &mut 'r0 *a;
        return b;
        let c: &'r3 mut u8 = &mut 'r2 *a;
        return c;
    }
}

Source location: tests/borrowck.rs:3310

fn reborrow<'a>(a: &'a mut u8) -> &'a mut u8 {
    exists<'r0, 'r1, 'r2, 'r3> {
        if true {
            let b: &'r1 mut u8 = &mut 'r0 *a;
            return b;
        } else {
            let c: &'r3 mut u8 = &mut 'r2 *a;
            return c;
        }
    }
}

Source location: tests/borrowck.rs:3378

fn foo() -> u32 {
    exists<'r0, 'r1, 'r2> {
        let x: u32 = 22_u32;
        let p: &'r1 u32 = &'r0 x;
        let q: &'r2 u32 = p;
        x = 1_u32;
        return 0_u32;
    }
}

Source location: tests/borrowck.rs:3540

fn foo<'a, 'b>(p: &'a mut u32) -> u32 where 'a: 'b {
    let q: &'b mut u32 = &mut 'b *p;
    q;
    return 0 _ u32;
}

Source location: tests/borrowck.rs:3683

#[test]
fn issue_63908_remove_last_node_recursive() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3691

#[test]
fn issue_63908_remove_last_node_recursive() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3699

#[test]
fn issue_63908_remove_last_node_recursive() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_RECURSIVE,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3801

#[test]
fn issue_63908_remove_last_node_iterative() {
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_ITERATIVE,
    ))
    .skip_execute()
    .err(expect_test::expect![[r#"
        the rule "borrow of disjoint places" at (nll.rs) failed because
          condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
            &loan.place = *(cursor : &?lt_2 mut List) : <&?lt_2 mut List as Derefable>::Target
            &access.place = *(cursor : &?lt_2 mut List) : <&?lt_2 mut List as Derefable>::Target

        the rule "loan_cannot_outlive" at (nll.rs) failed because
          condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
            outlived_by_loan = {?lt_2, ?lt_3}
            &lifetime.upcast() = ?lt_2

        the rule "write-indirect" at (nll.rs) failed because
          pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `cursor`

        the rule "write-indirect" at (nll.rs) failed because
          condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
            place_accessed = *(cursor : &?lt_2 mut List) : <&?lt_2 mut List as Derefable>::Target
            place_loaned_ref = cursor : &?lt_2 mut List"#]]);

    // [polonius]: rustc errors here (known-bug #63908), same as [nll].
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_ITERATIVE,
    ))
    .skip_execute()
    .err(expect_test::expect![[r#"
        the rule "borrow of disjoint places" at (nll.rs) failed because
          condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
            &loan.place = *(cursor : &?lt_2 mut List) : <&?lt_2 mut List as Derefable>::Target
            &access.place = *(cursor : &?lt_2 mut List) : <&?lt_2 mut List as Derefable>::Target

        the rule "loan_cannot_outlive" at (nll.rs) failed because
          condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
            outlived_by_loan = {?lt_2, ?lt_3}
            &lifetime.upcast() = ?lt_2

        the rule "write-indirect" at (nll.rs) failed because
          pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `cursor`

        the rule "write-indirect" at (nll.rs) failed because
          condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
            place_accessed = *(cursor : &?lt_2 mut List) : <&?lt_2 mut List as Derefable>::Target
            place_loaned_ref = cursor : &?lt_2 mut List"#]]);

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_63908_REMOVE_LAST_NODE_ITERATIVE,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3849

#[test]
fn issue_57165_no_control_flow() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_57165_NO_CONTROL_FLOW))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_57165_NO_CONTROL_FLOW,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_57165_NO_CONTROL_FLOW,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3857

#[test]
fn issue_57165_no_control_flow() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_57165_NO_CONTROL_FLOW))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_57165_NO_CONTROL_FLOW,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_57165_NO_CONTROL_FLOW,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:3865

#[test]
fn issue_57165_no_control_flow() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_57165_NO_CONTROL_FLOW))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_57165_NO_CONTROL_FLOW,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_57165_NO_CONTROL_FLOW,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4011

#[test]
fn issue_57165_conditional() {
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_57165_CONDITIONAL))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "fixed-point" at (nll.rs) failed because
              condition evaluated to false: `state0 == state1`
                state0 = flow_state([scope(none, None, {}, None, [], []), scope(none, None, {}, None, [], []), scope(some(U(4)), None, {}, None, [(b, X), (p, &?lt_1 mut X)], [b : X, p : &?lt_1 mut X]), scope(some(U(4)), Some('l), {}, Some({* p}), [], [])], point_flow_state({pending_outlives(?lt_2, ?lt_1)}, {loan(?lt_2, b : X, mut)}, {}), {}, {}, {pending_outlives(?lt_2, ?lt_1)})
                state1 = flow_state([scope(none, None, {}, None, [], []), scope(none, None, {}, None, [], []), scope(some(U(4)), None, {}, None, [(b, X), (p, &?lt_1 mut X)], [b : X, p : &?lt_1 mut X]), scope(some(U(4)), Some('l), {}, Some({* p}), [], [])], point_flow_state({pending_outlives(?lt_1, ?lt_3), pending_outlives(?lt_2, ?lt_1), pending_outlives(?lt_3, ?lt_4), pending_outlives(?lt_4, ?lt_1)}, {loan(?lt_2, b : X, mut), loan(?lt_3, *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target, mut)}, {}), {labeled_flow_state('l, point_flow_state({pending_outlives(?lt_1, ?lt_3), pending_outlives(?lt_2, ?lt_1)}, {loan(?lt_2, b : X, mut), loan(?lt_3, *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target, mut)}, {}))}, {}, {pending_outlives(?lt_1, ?lt_3), pending_outlives(?lt_2, ?lt_1), pending_outlives(?lt_3, ?lt_4), pending_outlives(?lt_4, ?lt_1)})

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
                &access.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {?lt_1, ?lt_3, ?lt_4}
                &lifetime.upcast() = ?lt_1

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `p`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
                place_loaned_ref = p : &?lt_1 mut X

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
                &access.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {?lt_1, ?lt_3, ?lt_4}
                &lifetime.upcast() = ?lt_1

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `p`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
                place_loaned_ref = p : &?lt_1 mut X"#]]);

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_57165_CONDITIONAL,
    ))
    .skip_execute()
    .err(expect_test::expect![[r#"
        the rule "fixed-point" at (nll.rs) failed because
          condition evaluated to false: `state0 == state1`
            state0 = flow_state([scope(none, None, {}, None, [], []), scope(none, None, {}, None, [], []), scope(some(U(4)), None, {}, None, [(b, X), (p, &?lt_1 mut X)], [b : X, p : &?lt_1 mut X]), scope(some(U(4)), Some('l), {}, Some({* p}), [], [])], point_flow_state({pending_outlives(?lt_2, ?lt_1)}, {loan(?lt_2, b : X, mut)}, {}), {}, {}, {pending_outlives(?lt_2, ?lt_1)})
            state1 = flow_state([scope(none, None, {}, None, [], []), scope(none, None, {}, None, [], []), scope(some(U(4)), None, {}, None, [(b, X), (p, &?lt_1 mut X)], [b : X, p : &?lt_1 mut X]), scope(some(U(4)), Some('l), {}, Some({* p}), [], [])], point_flow_state({pending_outlives(?lt_1, ?lt_3), pending_outlives(?lt_2, ?lt_1), pending_outlives(?lt_3, ?lt_4), pending_outlives(?lt_4, ?lt_1)}, {loan(?lt_2, b : X, mut), loan(?lt_3, *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target, mut)}, {}), {labeled_flow_state('l, point_flow_state({pending_outlives(?lt_1, ?lt_3), pending_outlives(?lt_2, ?lt_1)}, {loan(?lt_2, b : X, mut), loan(?lt_3, *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target, mut)}, {}))}, {}, {pending_outlives(?lt_1, ?lt_3), pending_outlives(?lt_2, ?lt_1), pending_outlives(?lt_3, ?lt_4), pending_outlives(?lt_4, ?lt_1)})

        the rule "borrow of disjoint places" at (nll.rs) failed because
          condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
            &loan.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
            &access.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target

        the rule "loan_cannot_outlive" at (nll.rs) failed because
          condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
            outlived_by_loan = {?lt_1, ?lt_3, ?lt_4}
            &lifetime.upcast() = ?lt_1

        the rule "write-indirect" at (nll.rs) failed because
          pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `p`

        the rule "write-indirect" at (nll.rs) failed because
          condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
            place_accessed = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
            place_loaned_ref = p : &?lt_1 mut X

        the rule "borrow of disjoint places" at (nll.rs) failed because
          condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
            &loan.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
            &access.place = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target

        the rule "loan_cannot_outlive" at (nll.rs) failed because
          condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
            outlived_by_loan = {?lt_1, ?lt_3, ?lt_4}
            &lifetime.upcast() = ?lt_1

        the rule "write-indirect" at (nll.rs) failed because
          pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `p`

        the rule "write-indirect" at (nll.rs) failed because
          condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
            place_accessed = *(p : &?lt_1 mut X) : <&?lt_1 mut X as Derefable>::Target
            place_loaned_ref = p : &?lt_1 mut X"#]]);

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_57165_CONDITIONAL,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4066

#[test]
fn issue_57165_conditional_with_indirection() {
    // [nll]: rustc passes
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4074

#[test]
fn issue_57165_conditional_with_indirection() {
    // [nll]: rustc passes
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4082

#[test]
fn issue_57165_conditional_with_indirection() {
    // [nll]: rustc passes
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_57165_CONDITIONAL_WITH_INDIRECTION,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4137

#[test]
fn issue_46859_to_refs() {
    // [nll]: rustc passes
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4145

#[test]
fn issue_46859_to_refs() {
    // [nll]: rustc passes
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4153

#[test]
fn issue_46859_to_refs() {
    // [nll]: rustc passes
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4191

#[test]
fn issue_46859_to_refs2() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS2))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS2,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS2,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4199

#[test]
fn issue_46859_to_refs2() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS2))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS2,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS2,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4207

#[test]
fn issue_46859_to_refs2() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS2))
        .skip_execute()
        .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS2,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS2,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4256

#[test]
fn issue_46859_to_refs3() {
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS3))
        .skip_execute()
        .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS3,
    ))
    .skip_execute()
    .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS3,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4263

#[test]
fn issue_46859_to_refs3() {
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS3))
        .skip_execute()
        .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS3,
    ))
    .skip_execute()
    .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS3,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4270

#[test]
fn issue_46859_to_refs3() {
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_TO_REFS3))
        .skip_execute()
        .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_TO_REFS3,
    ))
    .skip_execute()
    .ok();

    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_TO_REFS3,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4394

#[test]
fn issue_46859_decoder_next() {
    // [nll]: rustc errors
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_DECODER_NEXT))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "fixed-point" at (nll.rs) failed because
              condition evaluated to false: `state0 == state1`
                state0 = flow_state([scope(some(U(1)), None, {}, None, [(d, &!lt_1 mut Decoder)], [d : &!lt_1 mut Decoder]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(3)), None, {}, None, [], []), scope(some(U(3)), Some('l), {}, Some({(* d) . buf_read}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)}, {}, {}), {}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)})
                state1 = flow_state([scope(some(U(1)), None, {}, None, [(d, &!lt_1 mut Decoder)], [d : &!lt_1 mut Decoder]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(3)), None, {}, None, [], []), scope(some(U(3)), Some('l), {}, Some({(* d) . buf_read}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)}, {loan(?lt_2, *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32, mut)}, {}), {}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)})

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                &access.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `d`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                place_loaned_ref = d : &!lt_1 mut Decoder

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                &access.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `d`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                place_loaned_ref = d : &!lt_1 mut Decoder"#]]);

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_DECODER_NEXT,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_DECODER_NEXT,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4402

#[test]
fn issue_46859_decoder_next() {
    // [nll]: rustc errors
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_46859_DECODER_NEXT))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "fixed-point" at (nll.rs) failed because
              condition evaluated to false: `state0 == state1`
                state0 = flow_state([scope(some(U(1)), None, {}, None, [(d, &!lt_1 mut Decoder)], [d : &!lt_1 mut Decoder]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(3)), None, {}, None, [], []), scope(some(U(3)), Some('l), {}, Some({(* d) . buf_read}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)}, {}, {}), {}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)})
                state1 = flow_state([scope(some(U(1)), None, {}, None, [(d, &!lt_1 mut Decoder)], [d : &!lt_1 mut Decoder]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(3)), None, {}, None, [], []), scope(some(U(3)), Some('l), {}, Some({(* d) . buf_read}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)}, {loan(?lt_2, *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32, mut)}, {}), {}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(?lt_2, ?lt_3), pending_outlives(?lt_3, !lt_1)})

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                &access.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `d`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                place_loaned_ref = d : &!lt_1 mut Decoder

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                &access.place = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `d`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(d : &!lt_1 mut Decoder) : <&!lt_1 mut Decoder as Derefable>::Target . buf_read[Decoder , struct] : u32
                place_loaned_ref = d : &!lt_1 mut Decoder"#]]);

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_46859_DECODER_NEXT,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_46859_DECODER_NEXT,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4536

#[test]
fn issue_92985_filtering_lending_iterator() {
    // [nll]: rustc errors
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_92985_FILTER_NEXT))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "fixed-point" at (nll.rs) failed because
              condition evaluated to false: `state0 == state1`
                state0 = flow_state([scope(some(U(1)), None, {}, None, [(f, &!lt_1 mut Filter)], [f : &!lt_1 mut Filter]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(4)), None, {}, None, [], []), scope(some(U(4)), Some('l), {}, Some({(* f) . iter, (* f) . predicate}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)}, {}, {}), {}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)})
                state1 = flow_state([scope(some(U(1)), None, {}, None, [(f, &!lt_1 mut Filter)], [f : &!lt_1 mut Filter]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(4)), None, {}, None, [], []), scope(some(U(4)), Some('l), {}, Some({(* f) . iter, (* f) . predicate}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)}, {loan(?lt_2, *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32, mut), loan(?lt_3, *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . predicate[Filter , struct] : u32, mut)}, {}), {labeled_flow_state('l, point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)}, {loan(?lt_2, *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32, mut)}, {}))}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)})

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                &access.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3, ?lt_4}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `f`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                place_loaned_ref = f : &!lt_1 mut Filter

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                &access.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3, ?lt_4}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `f`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                place_loaned_ref = f : &!lt_1 mut Filter"#]]);

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_92985_FILTER_NEXT,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_92985_FILTER_NEXT,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4544

#[test]
fn issue_92985_filtering_lending_iterator() {
    // [nll]: rustc errors
    FormalityTest::new(feature_gate_program(NLL_GATE, ISSUE_92985_FILTER_NEXT))
        .skip_execute()
        .err(expect_test::expect![[r#"
            the rule "fixed-point" at (nll.rs) failed because
              condition evaluated to false: `state0 == state1`
                state0 = flow_state([scope(some(U(1)), None, {}, None, [(f, &!lt_1 mut Filter)], [f : &!lt_1 mut Filter]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(4)), None, {}, None, [], []), scope(some(U(4)), Some('l), {}, Some({(* f) . iter, (* f) . predicate}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)}, {}, {}), {}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)})
                state1 = flow_state([scope(some(U(1)), None, {}, None, [(f, &!lt_1 mut Filter)], [f : &!lt_1 mut Filter]), scope(some(U(1)), None, {}, None, [], []), scope(some(U(4)), None, {}, None, [], []), scope(some(U(4)), Some('l), {}, Some({(* f) . iter, (* f) . predicate}), [], [])], point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)}, {loan(?lt_2, *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32, mut), loan(?lt_3, *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . predicate[Filter , struct] : u32, mut)}, {}), {labeled_flow_state('l, point_flow_state({pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)}, {loan(?lt_2, *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32, mut)}, {}))}, {}, {pending_outlives(!lt_1, ?lt_2), pending_outlives(!lt_1, ?lt_3), pending_outlives(?lt_2, !lt_1), pending_outlives(?lt_2, ?lt_4)})

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                &access.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3, ?lt_4}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `f`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                place_loaned_ref = f : &!lt_1 mut Filter

            the rule "borrow of disjoint places" at (nll.rs) failed because
              condition evaluated to false: `place_disjoint_from_place(&loan.place, &access.place)`
                &loan.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                &access.place = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32

            the rule "loan_cannot_outlive" at (nll.rs) failed because
              condition evaluated to false: `!outlived_by_loan.contains(&lifetime.upcast())`
                outlived_by_loan = {!lt_1, ?lt_2, ?lt_3, ?lt_4}
                &lifetime.upcast() = !lt_1

            the rule "loan_not_required_by_universal_regions" at (nll.rs) failed because
              condition evaluated to false: `outlived_by_loan.iter().all(|p| match p
              {
                  Parameter::Ty(_) => false, Parameter::Lt(lt) => match lt.as_ref()
                  {
                      Lt::Static => false, Lt::Variable(Variable::UniversalVar(_)) => false,
                      Lt::Variable(Variable::ExistentialVar(_)) => true,
                      Lt::Variable(Variable::BoundVar(_)) =>
                      panic!("cannot outlive a bound var"), Lt::Erased => true,
                  }, Parameter::Const(_) => panic!("cannot outlive a constant"),
              })`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `*(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct]`

            the rule "write-indirect" at (nll.rs) failed because
              pattern `TypedPlaceExpressionData::Deref(place_loaned_ref)` did not match value `f`

            the rule "write-indirect" at (nll.rs) failed because
              condition evaluated to false: `place_accessed.is_prefix_of(place_loaned_ref)`
                place_accessed = *(f : &!lt_1 mut Filter) : <&!lt_1 mut Filter as Derefable>::Target . iter[Filter , struct] : u32
                place_loaned_ref = f : &!lt_1 mut Filter"#]]);

    // [polonius]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        ISSUE_92985_FILTER_NEXT,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        ISSUE_92985_FILTER_NEXT,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4618

#[test]
fn flow_sensitive_invariance_use_it() {
    // [nll]: rustc errors
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        FLOW_SENSITIVE_INVARIANCE_USE_IT,
    ))
    .skip_execute()
    .err(expect_test::expect![[r#"
        crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }

        crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);

    // [polonius]: rustc errors
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        FLOW_SENSITIVE_INVARIANCE_USE_IT,
    ))
    .skip_execute()
    .err(expect_test::expect![[r#"
        crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }

        crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);

    // [legacy]: rustc passes
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        FLOW_SENSITIVE_INVARIANCE_USE_IT,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4711

#[test]
fn flow_sensitive_invariance_same_region() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4719

#[test]
fn flow_sensitive_invariance_same_region() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/borrowck.rs:4727

#[test]
fn flow_sensitive_invariance_same_region() {
    // [nll]: rustc passes.
    FormalityTest::new(feature_gate_program(
        NLL_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();

    // [polonius]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_ALPHA_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();

    // [legacy]: rustc passes.
    FormalityTest::new(feature_gate_program(
        POLONIUS_UNLOCKED_GATE,
        FLOW_SENSITIVE_INVARIANCE_SAME_REGION,
    ))
    .skip_execute()
    .ok();
}

Source location: tests/codegen.rs:11

fn main() -> () {
    println!(22_i32);
}

Source location: tests/codegen.rs:24

fn main() -> () {
    println!(1_i32);
    println!(true);
    println!(false);
}

Source location: tests/codegen.rs:36

fn main() -> () {
    let x: i32 = 42_i32;
    println!(x);
}

Source location: tests/codegen.rs:49

fn main() -> () {
    let x: i32 = 1_i32;
    x = 2 _ i32;
    println!(x);
}

Source location: tests/codegen.rs:64

fn main() -> () {
    let y: i32 = add_one(1_i32);
    println!(y);
}

Source location: tests/codegen.rs:79

fn main() -> () {
    let y: i32 = identity::<i32>(42_i32);
    println!(y);
}

Source location: tests/codegen.rs:95

fn main() -> () {
    let x: i32 = 1_i32;
    if true {
        println!(x);
    } else {
        println!(0_i32);
    }
}

Source location: tests/codegen.rs:110

fn main() -> () {
    let x: i32 = 0_i32;
    'a: loop {
        println!(x);
        break 'a;
    }
}

Source location: tests/codegen.rs:127

fn main() -> () {
    {
        let x: i32 = 99_i32;
        println!(x);
    }
    exists<'a> {
        println!(1_i32);
    }
}

Source location: tests/codegen.rs:141

fn main() -> () {
    let p: Pair = Pair { x: 10_i32, y: 20_i32 };
    println!(p.x);
    println!(p.y);
}

Source location: tests/codegen.rs:171

fn main() -> () {
    let a: usize = 100_usize;
    let b: isize = 200_isize;
    println!(a);
    println!(b);
}

Source location: tests/codegen.rs:188

fn main() -> () {
    let a: i32 = f(1_i32);
    let b: i32 = f(2_i32);
    let c: i32 = f(3_i32);
    println!(a);
    println!(b);
    println!(c);
}

Source location: tests/codegen.rs:201

fn main() -> () {
    let y: i32 = f(f(42_i32));
    println!(y);
}

Source location: tests/codegen.rs:218

fn main() -> () {
    let r: i32 = outer(7_i32);
    println!(r);
}

Source location: tests/codegen.rs:238

fn main() -> () {
    a();
}

Source location: tests/codegen.rs:251

fn main() -> () {
    let r: i32 = first::<i32, bool>(10_i32, true);
    println!(r);
}

Source location: tests/codegen.rs:264

fn main() -> () {
    let w: Wrapper<i32> = Wrapper::<i32> { val: 42_i32 };
    println!(w.val);
}

Source location: tests/codegen.rs:318

fn main() -> () {
    let x: i32 = 0_i32;
    'a: loop {
        if true {
            println!(x);
            break 'a;
        } else {
            continue 'a;
        }
    }
}

Source location: tests/codegen.rs:336

fn main() -> () {
    'outer: loop {
        println!(1_i32);
        'inner: loop {
            println!(2_i32);
            break 'outer;
        }
    }
    println!(3_i32);
}

Source location: tests/codegen.rs:356

fn main() -> () {
    'a: loop {
        if true {
            println!(1_i32);
            break 'a;
        } else {
            println!(2_i32);
            break 'a;
        }
    }
    println!(3_i32);
}

Source location: tests/codegen.rs:377

fn main() -> () {
    let x: i32 = 0_i32;
    'a: loop {
        if false {
            x = 1_i32;
            break 'a;
        } else {
            x = 2_i32;
            break 'a;
        }
    }
    println!(x);
}

Source location: tests/codegen.rs:443

fn main() -> () {
    let x: i32 = 0_i32;
    'a: loop {
        x = 77_i32;
        break 'a;
    }
    println!(x);
}

Source location: tests/codegen.rs:461

fn main() -> () {
    let x: i32 = 0_i32;
    'a: loop {
        {
            x = 88_i32;
            break 'a;
        }
    }
    println!(x);
}

Source location: tests/codegen.rs:477

fn main() -> () {
    'a: {
        println!(1_i32);
        break 'a;
        println!(2_i32);
    }
    println!(3_i32);
}

Source location: tests/coherence_orphan.rs:84

#[test]
fn mirror_FooStruct() {
    FormalityTest::new(crates![crate core {
        trait CoreTrait {}

        trait Mirror {
            type Assoc : [];
        }

        impl<T> Mirror for T {
            type Assoc = T;
        }
    },
    crate foo {
        struct FooStruct {}
        impl CoreTrait for <FooStruct as Mirror>::Assoc {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/coherence_orphan.rs:98

#[test]
fn covered_VecT() {
    FormalityTest::new(crates![crate core {
        trait CoreTrait<T> {}
        struct Vec<T> {}
    },
    crate foo {
        struct FooStruct {}
        impl<T> CoreTrait<FooStruct> for Vec<T> {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/coherence_orphan.rs:196

#[test]
fn CoreTraitLocal_for_AliasToKnown_in_Foo() {
    // TODO: see comment in `orphan_check` from prev commit
    FormalityTest::new(crates![crate core {
        trait CoreTrait<T> {}

        trait Unit {
            type Assoc : [];
        }

        impl<T> Unit for T {
            type Assoc = ();
        }
    },
    crate foo {
        struct FooStruct {}
        impl CoreTrait<FooStruct> for <() as Unit>::Assoc {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/coherence_overlap.rs:147

#[test]
fn neg_CoreTrait_for_CoreStruct_implies_no_overlap() {
    FormalityTest::new(crates![crate core {
        trait CoreTrait {}
        struct CoreStruct {}
        impl !CoreTrait for CoreStruct {}
    },
    crate foo {
        trait FooTrait {}
        impl<T> FooTrait for T where T: CoreTrait {}
        impl FooTrait for CoreStruct {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/coherence_overlap.rs:206

#[test]
fn u32_T_where_T_Not_impls() {
    FormalityTest::new(crates![crate core {
        trait Foo {}
        impl Foo for u32 {}
        impl<T> Foo for T where T: Not {}

        trait Not {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/coherence_overlap.rs:229

#[test]
fn u32_i32_impls() {
    FormalityTest::new(crates![crate core {
        trait Foo {}
        impl Foo for u32 {}
        impl Foo for i32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/coherence_overlap.rs:307

#[test]
fn is_local_unknowable_trait_ref() {
    FormalityTest::new(crates![crate core {
        trait Project {
            type Assoc: [];
        }

        impl<T> Project for T {
            type Assoc = T;
        }

        trait Foo<U> { }
    },
    crate foo {
        struct LocalType {}

        trait Overlap<U> {}
        impl<T, U> Overlap<U> for T
        where
            <T as Project>::Assoc: Foo<U> {}
        impl<T> Overlap<LocalType> for () {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/const_generics_rv_tsv_parse.rs:11

#[test]
fn parse_minirust_22() {
    FormalityTest::new(crates![crate Foo {
        trait Trait<const N> where type_of_const N is usize {}
        impl Trait<usize(22)> for u32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/consts.rs:11

#[test]
fn nonsense_rigid_const_bound() {
    FormalityTest::new(crates![crate Foo {
        // This where-clause is not *provable*, but it is well-formed.
        trait Foo where type_of_const true is u32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/consts.rs:23

#[test]
fn ok() {
    FormalityTest::new(crates![crate Foo {
        trait Foo<const C> where type_of_const C is bool {}
        trait Bar<const C> where type_of_const C is u32 {}

        impl<const C> Foo<C> for u32 where type_of_const C is bool {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/consts.rs:49

#[test]
fn holds() {
    FormalityTest::new(crates![crate Foo {
        trait Foo<const C> where type_of_const C is bool {}

        impl Foo<true> for u32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/consts.rs:58

#[test]
fn rigid_const_bound() {
    FormalityTest::new(crates![crate Foo {
        trait Foo where type_of_const true is bool {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/consts.rs:92

#[test]
fn generic_match() {
    FormalityTest::new(crates![crate Foo {
        trait Foo<const C> where type_of_const C is bool {}

        // Here, the impl matches the trait bound.
        impl<const C> Foo<C> for u32 where type_of_const C is bool {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/consts.rs:101

#[test]
fn multiple_type_of_const() {
    FormalityTest::new(crates![crate Foo {
        trait Foo<const C> where type_of_const C is bool, type_of_const C is u32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/decl_safety.rs:12

#[test]
fn unsafe_trait() {
    FormalityTest::new(crates![crate baguette {
        unsafe trait Foo {}
        unsafe impl Foo for u32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/decl_safety.rs:22

#[test]
fn safe_trait() {
    FormalityTest::new(crates![crate baguette {
        safe trait Foo {}
        safe impl Foo for u32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/decl_safety.rs:32

#[test]
fn unsafe_trait_negative_impl() {
    FormalityTest::new(crates![crate baguette {
        unsafe trait Foo {}
        impl !Foo for u32 {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/drop.rs:20

#[test]
fn drop_impl_simple_struct() {
    FormalityTest::new(crates![
        crate Foo {
            struct MyStruct {
                value: u32,
            }

            impl Drop for MyStruct {}
        }
    ])
    .skip_execute()
    .ok()
}

Source location: tests/drop.rs:38

#[test]
fn drop_impl_generic_struct() {
    FormalityTest::new(crates![
        crate Foo {
            trait Clone {}

            struct MyStruct<T> where T: Clone {
                value: T,
            }

            impl<T> Drop for MyStruct<T> where T: Clone {}
        }
    ])
    .skip_execute()
    .ok()
}

Source location: tests/drop.rs:54

#[test]
fn drop_impl_generic_no_where_clauses() {
    FormalityTest::new(crates![
        crate Foo {
            struct Wrapper<T> {
                value: T,
            }

            impl<T> Drop for Wrapper<T> {}
        }
    ])
    .skip_execute()
    .ok()
}

Source location: tests/drop.rs:78

#[test]
fn drop_impl_subset_where_clauses() {
    FormalityTest::new(crates![
        crate Foo {
            trait Clone {}
            trait Debug {}

            struct MyStruct<T> where T: Clone, T: Debug {
                value: T,
            }

            // Impl has no where-clauses — but the struct requires them.
            impl<T> Drop for MyStruct<T> {}
        }
    ])
    .skip_execute()
    .ok()
}

Source location: tests/drop.rs:94

#[test]
fn drop_impl_enum() {
    FormalityTest::new(crates![
        crate Foo {
            enum MyEnum {
                Variant{},
            }

            impl Drop for MyEnum {}
        }
    ])
    .skip_execute()
    .ok()
}

Source location: tests/drop.rs:111

#[test]
fn drop_impl_cross_crate_local() {
    FormalityTest::new(crates![
        crate a {
            struct MyStruct {
                value: u32,
            }

            impl Drop for MyStruct {}
        },
        crate b {}
    ])
    .skip_execute()
    .ok()
}

Source location: tests/field_projections.rs:17

fn test(ptr: Ptr) -> () {
    let x: () = *ptr;
}

Source location: tests/functions.rs:24

Source location: tests/functions.rs:37

Source location: tests/mir_typeck.rs:13

fn foo (v1: u32) -> u32 {
    return v1;
}

Source location: tests/mir_typeck.rs:35

fn foo () -> u8 {
    let v1: u16 = 5_u16;
    let v2: u32 = 5_u32;
    let v3: u64 = 5_u64;
    let v4: usize = 5_usize;
    let v5: i8 = 5_i8;
    let v6: i16 = 5_i16;
    let v7: i32 = 5_i32;
    let v8: i64 = 5_i64;
    let v9: isize = 5_isize;
    let v10: bool = false;
    return 5_u8;
}

Source location: tests/mir_typeck.rs:89

fn foo (v1: u32) -> u32 {
    return v1;
}

Source location: tests/mir_typeck.rs:105

fn foo() -> u32 {
    let v0: u32 = 0_u32;
    loop {
        v0 = v0;
    }
}

Source location: tests/mir_typeck.rs:117

fn foo () -> bool {
    return true;
}

Source location: tests/mir_typeck.rs:133

fn foo (b: bool) -> u32 {
    if b {
        return 1_u32;
    } else {
        return 2_u32;
    }
}

Source location: tests/mir_typeck.rs:171

fn bar(v1: u32) -> u32 {
    let v0: u32 = foo(v1);
    return v0;
}

Source location: tests/mir_typeck.rs:191

fn foo (v1: u32) -> u32 {
    return v1;
}

Source location: tests/mir_typeck.rs:234

fn foo (v1: u32) -> u32 {
    let v2: Dummy = Dummy { value: 1_u32, is_true: false };
    v2.value = 2_u32;
    return v1;
}

Source location: tests/mir_typeck.rs:250

fn foo() -> () {
    let s1: S1<u8>;
}

Source location: tests/mir_typeck.rs:345

fn bar(v1: u32) -> u32 {
    let v0: u32 = identity::<u32>(v1);
    return v0;
}

Source location: tests/mir_typeck.rs:670

fn foo() -> bool {
    let v1: bool = false;
    return v1;
}

Source location: tests/mir_typeck.rs:693

fn foo<'a>(v1: &'a u32) -> &'a u32 {
    exists<'r0> {
        let v2: &'r0 u32 = v1;
        return v2;
    }
}

Source location: tests/mir_typeck.rs:710

fn foo () -> u32 {
    exists<'a> {
        let v0: u32 = 0_u32;
        let v1: &'a u32 = &'a v0;
        let v2: u32 = *v1;
        return v2;
    }
}

Source location: tests/mir_typeck.rs:729

fn foo<'a, T>(v1: &'a T) -> T
where
    T: Copy,
    T: 'a,
{
    exists<'r0> {
        let v2: T = *v1;
        return v2;
    }
}

Source location: tests/mir_typeck.rs:755

fn foo() -> u32 {
    'a: loop {
        break 'a;
    }
    return 0_u32;
}

Source location: tests/mir_typeck.rs:802

fn foo() -> u32 {
    'a: loop {
        continue 'a;
    }
    return 0_u32;
}

Source location: tests/mir_typeck.rs:857

fn foo<'a>(v1: &'a Pair) -> u32 {
    exists<'r0> {
        let v2: u32 = (*v1).value;
        return v2;
    }
}

Source location: tests/mir_typeck.rs:882

fn foo() -> u32 {
    'a: {
        break 'a;
    }
    return 0_u32;
}

Source location: tests/references.rs:36

Source location: tests/return_validation.rs:31

fn foo() -> () {
}

Source location: tests/return_validation.rs:48

fn foo(b: bool) -> u32 {
    if b {
        return 1_u32;
    } else {
        return 2_u32;
    }
}

Source location: tests/return_validation.rs:79

fn foo() -> u32 {
    loop {
    }
}

Source location: tests/return_validation.rs:111

fn foo() -> u32 {
    'a: loop {
        break 'a;
    }
    return 0_u32;
}

Source location: tests/return_validation.rs:124

fn foo() -> u32 {
    return 42_u32;
}

Source location: tests/traits.rs:13

Source location: tests/traits.rs:26

#[test]
fn trait_with_valid_associated_type() {
    FormalityTest::new(crates![
        crate core {
            trait A {
                type Assoc : [];
            }
        }
    ])
    .skip_execute()
    .ok();
}

Source location: tests/well_formed_struct.rs:17

fn main() -> () {
    exists<'y> {
        let a: u32 = 22_u32;
        let f: Foo<'y> = Foo::<'y> { y: &'y a };
    }
}

Source location: tests/well_formed_trait_ref.rs:19

#[test]
fn dependent_where_clause() {
    FormalityTest::new(crates![crate foo {
        trait Trait1 {}

        trait Trait2 {}

        struct S1<T> where T: Trait1 {
            dummy: T,
        }

        struct S2<T> where T: Trait1, S1<T> : Trait2 {
            dummy: T,
        }
    }])
    .skip_execute()
    .ok()
}

Source location: tests/well_formed_trait_ref.rs:56

#[test]
fn lifetime_param() {
    FormalityTest::new(crates![crate foo {
        trait Trait1<'a> {}

        struct S1 {}

        struct S2<'a> where S1: Trait1<'a> {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/well_formed_trait_ref.rs:71

#[test]
fn static_lifetime_param() {
    FormalityTest::new(crates![crate foo {
        trait Trait1<'a> {}

        struct S1 {}

        impl Trait1<'static> for S1 {}

        struct S2 where S1: Trait1<'static> {}
    }])
    .skip_execute()
    .ok()
}

Source location: tests/well_formed_trait_ref.rs:86

#[test]
fn const_param() {
    FormalityTest::new(crates![crate foo {
        trait Trait1<const C> where type_of_const C is u32 {}

        struct S1 {}

        impl Trait1<u32(3)> for S1 {}

        struct S2 where S1: Trait1<u32(3)> {}
    }])
    .skip_execute()
    .ok()
}