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

[Younan Zhang via cfe-commits]

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@@ -45,6 +45,7 @@
 #include <cstddef>
 #include <cstdlib>
 #include <optional>
+#include <variant>
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zyn0217 wrote:

We no longer use variant, right?

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