G M: Restore the ability for libcxx to compile again on mingw 64. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@190837 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/cwchar b/include/cwchar index 90eae75..9f51587 100644 --- a/include/cwchar +++ b/include/cwchar 
@@ -106,7 +106,7 @@  #include <__config>  #include <cwctype>  #include <wchar.h> -#ifdef _LIBCPP_MSVCRT +#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)  #include <support/win32/support.h> // pull in *swprintf defines  #endif // _LIBCPP_MSVCRT