1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Utils/MemorySSA.cpp b/llvm/lib/Transforms/Utils/MemorySSA.cpp
index 5c3ca7567bb..5eb0453317c 100644
--- a/llvm/lib/Transforms/Utils/MemorySSA.cpp
+++ b/llvm/lib/Transforms/Utils/MemorySSA.cpp
@@ -144,10 +144,10 @@ public:
   }
 
 private:
-  // FIXME: MSVC 2013 does not properly implement C++11 union rules, once we
-  // require newer versions, this should be made an anonymous union again.
-  ImmutableCallSite CS;
-  MemoryLocation Loc;
+  union {
+      ImmutableCallSite CS;
+      MemoryLocation Loc;
+  };
 };
 }