Revert "[libcxx] Define `_LIBCPP_HAS_C8RTOMB_MBRTOC8` to true if compiling with clang"#165268

philnik777 merged 1 commit intomainllvm/llvm-project:mainfrom

revert-152724-picolibc-_LIBCPP_HAS_C8RTOMB_MBRTOC8llvm/llvm-project:revert-152724-picolibc-_LIBCPP_HAS_C8RTOMB_MBRTOC8Copy head branch name to clipboard