We do not define anything beyond the C Library's limits.h, so it shouldn't be needed. This removes the need for a GCC-specific workaround, see [1]. [1]: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107795 Differential Revision: https://reviews.llvm.org/D138384
std::condition_variable_any::wait[_for/until]
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