bjoernager/rust
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remap ParamEnv with obligation

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This commit is contained in:
Deadbeef 2022-09-16 11:38:28 +08:00
parent 08aeb1aa9b
commit 5ead742e18
4 changed files with 24 additions and 8 deletions
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8
compiler/rustc_infer/src/traits/mod.rs
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@ -67,6 +67,14 @@ impl<'tcx> PredicateObligation<'tcx> {
recursion_depth: self.recursion_depth,
})
}
pub fn without_const(mut self, tcx: TyCtxt<'tcx>) -> PredicateObligation<'tcx> {
self.param_env = self.param_env.without_const();
if let ty::PredicateKind::Trait(trait_pred) = self.predicate.kind().skip_binder() && trait_pred.is_const_if_const() {
self.predicate = tcx.mk_predicate(self.predicate.kind().map_bound(|_| ty::PredicateKind::Trait(trait_pred.without_const())));
}
self
}
}
impl<'tcx> TraitObligation<'tcx> {