[clang] [clang] fix infinite recursion (PR #143244)

[via cfe-commits]

================
@@ -7172,7 +7172,10 @@ void Sema::CheckCompletedCXXClass(Scope *S, CXXRecordDecl *Record) {
     // "effectively constexpr" for better compatibility.
     // See https://github.com/llvm/llvm-project/issues/102293 for more info.
     if (isa<CXXDestructorDecl>(M)) {
-      auto Check = [](QualType T, auto &&Check) -> bool {
+      llvm::SmallDenseSet<QualType> Visited;
+      auto Check = [&Visited](QualType T, auto &&Check) -> bool {
+        if (!Visited.insert(T.getCanonicalType().getUnqualifiedType()).second)
----------------
Sirraide wrote:

```suggestion
        if (!Visited.insert(T.getCanonicalTypeUnqualified()).second)
```

https://github.com/llvm/llvm-project/pull/143244