[libc++] [test] Silence C++20 deprecation warnings in the MSVC STL
... when including msvc_stdlib_force_include.hpp.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@358782 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/support/msvc_stdlib_force_include.hpp b/test/support/msvc_stdlib_force_include.hpp
index fcf64d7..fd8438f 100644
--- a/test/support/msvc_stdlib_force_include.hpp
+++ b/test/support/msvc_stdlib_force_include.hpp
@@ -72,8 +72,9 @@
// atomic_is_lock_free.pass.cpp needs this VS 2015 Update 2 fix.
#define _ENABLE_ATOMIC_ALIGNMENT_FIX
- // Silence warnings about features that are deprecated in C++17.
+ // Silence warnings about features that are deprecated in C++17 and C++20.
#define _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS
+ #define _SILENCE_ALL_CXX20_DEPRECATION_WARNINGS
#endif // _LIBCXX_IN_DEVCRT
#include <ciso646>
