[libcxx-commits] [libcxx] [libc++] Fix C++23 standard modules when using with `clang-cl` on Windows (PR #148992)

[A. Jiang via libcxx-commits]

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@@ -14,15 +14,17 @@ export {
 
   using ::timespec _LIBCPP_USING_IF_EXISTS;
   using ::tm _LIBCPP_USING_IF_EXISTS;
-
   using ::asctime _LIBCPP_USING_IF_EXISTS;
   using ::clock _LIBCPP_USING_IF_EXISTS;
+  using ::strftime _LIBCPP_USING_IF_EXISTS;
+
+#ifndef _LIBCPP_ABI_VCRUNTIME
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frederick-vs-ja wrote:

Are you simply leaving these functions missing when using UCRT?

Also, it seem that we should modify this line `libcxx/utils/libcxx/test/features.py` to enable the tests:
https://github.com/llvm/llvm-project/blob/968d38d1d7d9de2d5717457876bba2663b36f620/libcxx/utils/libcxx/test/features.py#L330

https://github.com/llvm/llvm-project/pull/148992