N3191: C++ Timeout Specification git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119909 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/thread b/include/thread index fe671b2..abb56f4 100644 --- a/include/thread +++ b/include/thread 
@@ -406,10 +406,10 @@  template <class _Duration>  inline _LIBCPP_INLINE_VISIBILITY  void -sleep_until(const chrono::time_point<chrono::monotonic_clock, _Duration>& __t) +sleep_until(const chrono::time_point<chrono::steady_clock, _Duration>& __t)  {  using namespace chrono; - sleep_for(__t - monotonic_clock::now()); + sleep_for(__t - steady_clock::now());  }    inline _LIBCPP_INLINE_VISIBILITY