bjoernager/rust
bjoernager/rust
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This commit is contained in:
Michael Goulet 2023-03-12 00:59:54 +00:00
parent 868aa42f4b
commit 84d254ead0
16 changed files with 55 additions and 49 deletions
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2
compiler/rustc_trait_selection/src/traits/select/mod.rs
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@ -2558,7 +2558,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> {
// We can avoid creating type variables and doing the full
// substitution if we find that any of the input types, when
// simplified, do not match.
let drcx = DeepRejectCtxt { treat_obligation_params: TreatParams::AsPlaceholder };
let drcx = DeepRejectCtxt { treat_obligation_params: TreatParams::ForLookup };
iter::zip(obligation.predicate.skip_binder().trait_ref.substs, impl_trait_ref.substs)
.any(|(obl, imp)| !drcx.generic_args_may_unify(obl, imp))
}