Rollup merge of #124066 - oli-obk:define_opaque_types7, r=compiler-er…

…rors Don't error on subtyping of equal types fixes #124054 🤦 fixes #124075 fixes #124079 r? `@compiler-errors`
rust-lang · Apr 17, 2024 · 116c0f7 · 116c0f7
2 parents abac22f + 182698f
commit 116c0f7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs
@@ -952,7 +952,7 @@ impl<'tcx> InferCtxt<'tcx> {
             // a test for it.
             (_, ty::Infer(ty::TyVar(_))) => {}
             (ty::Infer(ty::TyVar(_)), _) => {}
-            _ if (r_a, r_b).has_opaque_types() => {
+            _ if r_a != r_b && (r_a, r_b).has_opaque_types() => {
                 span_bug!(
                     cause.span(),
                     "opaque types got hidden types registered from within subtype predicate: {r_a:?} vs {r_b:?}"