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Address nits, add test for implicit dyn-star coercion without feature gate

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This commit is contained in:
Michael Goulet 2022-10-14 04:55:07 +00:00
parent 0cb217d29b
commit 8c7e836abb
6 changed files with 50 additions and 3 deletions
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4
compiler/rustc_hir_analysis/src/check/coercion.rs
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@ -777,6 +777,8 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> {
}
}
// Check the obligations of the cast -- for example, when casting
// `usize` to `dyn* Clone + 'static`:
let obligations = predicates
.iter()
.map(|predicate| {
@ -787,7 +789,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> {
let predicate = predicate.with_self_ty(self.tcx, a);
Obligation::new(self.cause.clone(), self.param_env, predicate)
})
// Enforce the region bound `'static` (e.g., `usize: 'static`, in our example).
// Enforce the region bound (e.g., `usize: 'static`, in our example).
.chain([Obligation::new(
self.cause.clone(),
self.param_env,