1 files changed, 1 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index 5bd452e1c97..0ba0642517e 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -569,8 +569,7 @@ CGFunctionInfo *CGFunctionInfo::create(unsigned llvmCC,
                                        CanQualType resultType,
                                        ArrayRef<CanQualType> argTypes,
                                        RequiredArgs required) {
-  void *buffer = operator new(sizeof(CGFunctionInfo) +
-                              sizeof(ArgInfo) * (argTypes.size() + 1));
+  void *buffer = operator new(totalSizeToAlloc<ArgInfo>(argTypes.size() + 1));
   CGFunctionInfo *FI = new(buffer) CGFunctionInfo();
   FI->CallingConvention = llvmCC;
   FI->EffectiveCallingConvention = llvmCC;