ICE on types that should not be defining opaque types

2023-06-19 11:19:05 +00:00 · 2023-06-19 11:19:05 +00:00 · b0b4a07959
commit b0b4a07959
parent 0af4a211be
1 changed files with 3 additions and 1 deletions
--- a/compiler/rustc_ty_utils/src/opaque_types.rs
+++ b/compiler/rustc_ty_utils/src/opaque_types.rs
@ -217,7 +217,9 @@ fn opaque_types_defined_by<'tcx>(tcx: TyCtxt<'tcx>, item: LocalDefId) -> &'tcx [
        | DefKind::GlobalAsm
        | DefKind::Impl { .. }
        | DefKind::Closure
-        | DefKind::Generator => &[],
+        | DefKind::Generator => {
+            span_bug!(tcx.def_span(item), "{kind:?} is type checked as part of its parent")
+        }
    }
 }