[clang] [Clang] Implement the core language parts of P2786 - Trivial relocation (PR #127636)

[Younan Zhang via cfe-commits]

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@@ -757,7 +757,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
     Builder.defineMacro("__cpp_explicit_this_parameter", "202110L");
   }
 
-  // We provide those C++23 features as extensions in earlier language modes, so
+  // We provide those C++2b features as extensions in earlier language modes, so
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zyn0217 wrote:

Why c++2b?

https://github.com/llvm/llvm-project/pull/127636