Function monomorphized_mir_body_for_closure_query 

pub fn monomorphized_mir_body_for_closure_query(
    db: &(dyn HirDatabase + 'static),
    closure: InternedClosureId,
    subst: StoredGenericArgs,
    trait_env: StoredParamEnvAndCrate,
) -> Result<Arc<MirBody>, MirLowerError>