1 files changed, 6 insertions, 2 deletions
diff --git a/clang/test/SemaCXX/builtin-operator-new-delete.cpp b/clang/test/SemaCXX/builtin-operator-new-delete.cpp
index fb5e9a48574..40d47329eff 100644
--- a/clang/test/SemaCXX/builtin-operator-new-delete.cpp
+++ b/clang/test/SemaCXX/builtin-operator-new-delete.cpp
@@ -19,8 +19,12 @@ namespace std {
 #if __cplusplus >= 201103L
 enum class align_val_t : size_t {};
 #else
-  enum align_val_t { __zero = 0,
-                     __max = (size_t)-1 };
+  enum align_val_t {
+  // We can't force an underlying type when targeting windows.
+# ifndef _WIN32
+    __zero = 0, __max = (size_t)-1
+# endif
+  };
 #endif
 }
 std::nothrow_t nothrow;