[libc-commits] [libc] [libc] Remove obsolete LIBC_HAS_BUILTIN macro (PR #86554)

[Nick Desaulniers via libc-commits]

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@@ -17,7 +17,7 @@
 namespace LIBC_NAMESPACE::cpp {
 
 // is_lvalue_reference
-#if LIBC_HAS_BUILTIN(__is_lvalue_reference)
+#if __has_builtin(__is_lvalue_reference)
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nickdesaulniers wrote:

We no longer need to include src/__support/macros/config.h here thanks to this change.

https://github.com/llvm/llvm-project/pull/86554