[libcxx-commits] [libcxx] [libc++] Remove a few __has_foo defines in __config (PR #90511)

[Nikolas Klauser via libcxx-commits]

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@@ -334,26 +334,6 @@ _LIBCPP_HARDENING_MODE_DEBUG
 #    define _LIBCPP_CXX03_LANG
 #  endif
 
-#  ifndef __has_attribute
-#    define __has_attribute(__x) 0
-#  endif
-
-#  ifndef __has_builtin
-#    define __has_builtin(__x) 0
-#  endif
-
-#  ifndef __has_extension
-#    define __has_extension(__x) 0
-#  endif
-
-#  ifndef __has_feature
-#    define __has_feature(__x) 0
-#  endif
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philnik777 wrote:

These aren't available in GCC until 14.

https://github.com/llvm/llvm-project/pull/90511