[clang] [clang] Allow attributes on first constructor argument in pre-C++11 (PR #157300)

[Nikolas Klauser via cfe-commits]

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@@ -6007,7 +6007,7 @@ bool Parser::isConstructorDeclarator(bool IsUnqualified, bool DeductionGuide,
 
   // A C++11 attribute here signals that we have a constructor, and is an
   // attribute on the first constructor parameter.
-  if (getLangOpts().CPlusPlus11 &&
+  if (getLangOpts().CPlusPlus &&
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philnik777 wrote:

Is this ever false? This functions looks to me like it would only ever be called if we're parsing C++.

https://github.com/llvm/llvm-project/pull/157300