bjoernager/rust
bjoernager/rust
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This commit is contained in:
Michael Goulet 2024-01-10 16:22:26 +00:00
parent f49b0dcce2
commit 3799568895
2 changed files with 30 additions and 10 deletions
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5
compiler/rustc_trait_selection/src/solve/mod.rs
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@ -317,7 +317,10 @@ impl<'tcx> EvalCtxt<'_, 'tcx> {
return Some(ty);
};
// We do no always define opaque types eagerly to allow non-defining uses in the defining scope.
// We do no always define opaque types eagerly to allow non-defining uses
// in the defining scope. However, if we can unify this opaque to an existing
// opaque, then we should attempt to eagerly reveal the opaque, and we fall
// through.
if let DefineOpaqueTypes::No = define_opaque_types
&& let Reveal::UserFacing = param_env.reveal()
&& let ty::Opaque = kind