[libcxx] Define _LIBCPP_HAS_C8RTOMB_MBRTOC8 to true if compiling with clang
#168908
+74
−41
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This is a test PR to run the pre-merge CI jobs and help me debug an issue with the PR. Please disregard.
Define
_LIBCPP_HAS_C8RTOMB_MBRTOC8to1if compiling with clang.Some tests involving functionality from
uchar.h/cucharfail when the platform or the supporting C library does not provide support for the corresponding features. These have been xfailed.This patch will enable the adoption of newer picolibc versions.