[clang] [Clang][Sema] Fix regression due to missing ambiguity check before attempting access check. (PR #80730)

[Shafik Yaghmour via cfe-commits]

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@@ -201,6 +201,8 @@ Bug Fixes to C++ Support
   parameter where we did an incorrect specialization of the initialization of
   the default parameter.
   Fixes (`#68490 <https://github.com/llvm/llvm-project/issues/68490>`_)
+- Fix regression due missing ambiguity check before checking lookup access.
+  Fixes (`80435 <https://github.com/llvm/llvm-project/issues/80435>`_)
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shafik wrote:

Based on offline conversation I will remove the release note.

https://github.com/llvm/llvm-project/pull/80730