[clang] [clang][Sema] Unwrap reference types in HeuristicResolverImpl::resolveTypeToRecordDecl() (PR #124451)

[Younan Zhang via cfe-commits]

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@@ -133,8 +133,8 @@ TemplateName getReferencedTemplateName(const Type *T) {
 CXXRecordDecl *HeuristicResolverImpl::resolveTypeToRecordDecl(const Type *T) {
   assert(T);
 
-  // Unwrap type sugar such as type aliases.
-  T = T->getCanonicalTypeInternal().getTypePtr();
+  // Unwrap references and type sugar such as type aliases.
+  T = T->getCanonicalTypeInternal().getNonReferenceType().getTypePtr();
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zyn0217 wrote:

Does it work if `b` were a pointer?

https://github.com/llvm/llvm-project/pull/124451