Remove usages of _LIBCPP_MSVC which is never defined git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@302736 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/ext/hash_map b/include/ext/hash_map index 66f2b11..998e8f6 100644 --- a/include/ext/hash_map +++ b/include/ext/hash_map 
@@ -207,7 +207,7 @@  #include <ext/__hash>    #if __DEPRECATED -#if defined(_LIBCPP_MSVC) +#if defined(_LIBCPP_WARNING)  _LIBCPP_WARNING("Use of the header <ext/hash_map> is deprecated. Migrate to <unordered_map>")  #else  # warning Use of the header <ext/hash_map> is deprecated. Migrate to <unordered_map>