[libc-commits] [libc] [libc] Add simple features.h with implementation macro (PR #69402)

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@@ -0,0 +1,17 @@
+//===-- C standard library header features.h -------------------------------===//
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alfredfo wrote:

fixed: https://github.com/llvm/llvm-project/commit/67770cbb9841e86357021e03753a1b8f4ce783ea

https://github.com/llvm/llvm-project/pull/69402