1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index 8328d40319411..8e39f24d819ce 100644
--- a/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -2702,9 +2702,10 @@ void FunctionStackPoisoner::copyArgsPassedByValToAllocas() {
       unsigned Align = Arg.getParamAlignment();
       if (Align == 0) Align = DL.getABITypeAlignment(Ty);
 
-      const std::string &Name = Arg.hasName() ? Arg.getName().str() :
-          "Arg" + llvm::to_string(Arg.getArgNo());
-      AllocaInst *AI = IRB.CreateAlloca(Ty, nullptr, Twine(Name) + ".byval");
+      AllocaInst *AI = IRB.CreateAlloca(
+          Ty, nullptr,
+          (Arg.hasName() ? Arg.getName() : "Arg" + Twine(Arg.getArgNo())) +
+              ".byval");
       AI->setAlignment(Align);
       Arg.replaceAllUsesWith(AI);