Windows support by Ruben Van Boxem. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@142235 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/__tuple b/include/__tuple index 918656e..15193b4 100644 --- a/include/__tuple +++ b/include/__tuple 
@@ -15,7 +15,9 @@  #include <cstddef>  #include <type_traits>   +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)  #pragma GCC system_header +#endif    #ifdef _LIBCPP_HAS_NO_VARIADICS