__threading_support: fix windows build
The build was broken as there was no overload for long and
std::chrono::nanoseconds. Add an explicit conversion to use the
operator+.
llvm-svn: 294698
diff --git a/libcxx/include/__threading_support b/libcxx/include/__threading_support
index b938d9c..1e8be3f 100644
--- a/libcxx/include/__threading_support
+++ b/libcxx/include/__threading_support
@@ -591,7 +591,8 @@
{
using namespace chrono;
// round-up to the nearest milisecond
- milliseconds __ms = duration_cast<milliseconds>(__ns + 999999);
+ milliseconds __ms =
+ duration_cast<milliseconds>(__ns + chrono::nanoseconds(999999));
Sleep(__ms.count());
}