[NFC] Fix "ambiguous overload for ‘operator=’"

From D89768

diff --git a/llvm/lib/Transforms/Coroutines/CoroFrame.cpp b/llvm/lib/Transforms/Coroutines/CoroFrame.cpp
index 705d0ed..5fb7135 100644 (file)
--- a/llvm/lib/Transforms/Coroutines/CoroFrame.cpp
+++ b/llvm/lib/Transforms/Coroutines/CoroFrame.cpp
@@ -946,7 +946,7 @@ private:
       return;
 
     if (!IsOffsetKnown) {
-      AliasOffetMap[&I] = {};
+      AliasOffetMap[&I].reset();
     } else {
       auto Itr = AliasOffetMap.find(&I);
       if (Itr == AliasOffetMap.end()) {