[llvm-branch-commits] [clang] [Clang] [C++26] Expansion Statements (Part 3: Enumerating Expansion Statements) (PR #169682)

[Yanzuo Liu via llvm-branch-commits]

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@@ -7108,6 +7138,12 @@ NamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D,
     // anonymous unions in class templates).
   }
 
+  if (CurrentInstantiationScope) {
+    if (auto Found = CurrentInstantiationScope->getInstantiationOfIfExists(D))
+      if (auto *FD = dyn_cast<NamedDecl>(cast<Decl *>(*Found)))
+        return FD;
+  }
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zwuis wrote:

I applied this part locally and GH176155 is 'fixed'. But I don't know what the underlying problem is, nor do I know why this fixes it.

https://github.com/llvm/llvm-project/pull/169682