Negative coverage: borrow_check_expr / fn-name / premise if fn_decl.binder.len() == 0
Premise at line 477. Observed failure causes: if_false.
fn-name| Line | Coverage | Source |
|---|---|---|
| 474 | ✗ | (if let PlaceExpr::Var(id) = place) |
| 475 | ✗ | (if !state.has_local(id)) |
| 476 | 1 | (let fn_decl = env.crates().fn_named(id)?) |
| 477 | 1 | (if fn_decl.binder.len() == 0) |
| 478 | N/A | (let ty = Ty::rigid(RigidName::fn_def(id), ())) |
| ──────── ("fn-name") | ||
| 481 | 7 | (borrow_check_expr(env, _assumptions, state, Expr::Place(place), _places_live_on_exit) => (ty, state)) |
1 test failed proving this premise:
Source location: tests/mir_typeck.rs:323
fn bar(v1: u32) -> u32 {
let v0: u32 = identity(v1);
return v0;
}Failed proof tree
check_all_crates failedmod.rs:41rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60rule "check crate"mod.rs:73check_crate_item failedmod.rs:163rule "free fn"mod.rs:191check_free_fn failedfns.rs:14rule "check free fn"fns.rs:24check_fn failedfns.rs:31rule "check fn"fns.rs:55check_fn_body failedfns.rs:62rule "expr fn body"fns.rs:90borrow_check failednll.rs:126rule "borrow_check"nll.rs:137borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "let"nll.rs:193borrow_check_expr_has_ty failednll.rs:319rule "block"nll.rs:332borrow_check_expr failednll.rs:340rule "call"nll.rs:388borrow_check_expr failednll.rs:340rule "fn-name"nll.rs:477 (failed: if_false)