[clang] [Clang][RFC] Bypass TAD during overload resolution if a perfect match exists (PR #133426)

[Erich Keane via cfe-commits]

================
@@ -1159,12 +1256,29 @@ class Sema;
       return reinterpret_cast<T *>(FreeSpaceStart);
     }
 
+    template <typename T> T *allocateDeferredCandidate() {
+      T *C = slabAllocate<T>(1);
----------------
erichkeane wrote:

Thinking further, the whole point of the slab is to put all the stuff in the same location, so this is a silly suggestion.  Disregard.

https://github.com/llvm/llvm-project/pull/133426