1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/include/llvm/Transforms/Utils/MemorySSA.h b/llvm/include/llvm/Transforms/Utils/MemorySSA.h
index 481ab1861c7..cf065b25ac9 100644
--- a/llvm/include/llvm/Transforms/Utils/MemorySSA.h
+++ b/llvm/include/llvm/Transforms/Utils/MemorySSA.h
@@ -680,7 +680,12 @@ public:
   // unique_ptr<MemorySSA> to avoid build breakage on MSVC.
   struct Result {
     Result(std::unique_ptr<MemorySSA> &&MSSA) : MSSA(std::move(MSSA)) {}
+    Result(Result &&R) : MSSA(std::move(R.MSSA)) {}
     MemorySSA &getMSSA() { return *MSSA.get(); }
+
+    Result(const Result &) = delete;
+    void operator=(const Result &) = delete;
+
     std::unique_ptr<MemorySSA> MSSA;
   };