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

[Erich Keane via cfe-commits]

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@@ -407,6 +407,18 @@ class Sema;
              Third == ICK_Identity;
     }
 
+    bool isPerfect(const ASTContext &C) const {
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erichkeane wrote:

I would LOVE a comment here, the implementation isn't particularly clear what is going on here.

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