[Libc++] Use #pragma push_macro/pop_macro to better handle min/max on Windows
Summary:
This patch improves how libc++ handles min/max macros within the headers. Previously libc++ would undef them and emit a warning.
This patch changes libc++ to use `#pragma push_macro` to save the macro before undefining it, and `#pragma pop_macro` to restore the macros and the end of the header.
Reviewers: mclow.lists, bcraig, compnerd, EricWF
Reviewed By: EricWF
Subscribers: cfe-commits, krytarowski
Differential Revision: https://reviews.llvm.org/D33080
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@304357 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/array b/include/array
index 31f5501..79f7e0d 100644
--- a/include/array
+++ b/include/array
@@ -113,6 +113,8 @@
#pragma GCC system_header
#endif
+
+
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, size_t _Size>
