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Record impl args in the InsepctCandiate rather than rematching during select

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This commit is contained in:
Michael Goulet 2024-05-06 11:24:40 -04:00
parent fc47cf38e5
commit 207b4b8e88
7 changed files with 99 additions and 65 deletions
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compiler/rustc_trait_selection/src/solve/trait_goals.rs
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@ -75,6 +75,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> {
ecx.probe_trait_candidate(CandidateSource::Impl(impl_def_id)).enter(|ecx| {
let impl_args = ecx.fresh_args_for_item(impl_def_id);
ecx.record_impl_args(impl_args);
let impl_trait_ref = impl_trait_header.trait_ref.instantiate(tcx, impl_args);
ecx.eq(goal.param_env, goal.predicate.trait_ref, impl_trait_ref)?;