const Function *MSFunc = dyn_cast<Function>(GV);
if (Name.startswith("\01"))
MSFunc = nullptr; // Don't mangle when \01 is present.
- CallingConv::ID CC = MSFunc ? MSFunc->getCallingConv() : CallingConv::C;
+ CallingConv::ID CC =
+ MSFunc ? MSFunc->getCallingConv() : (unsigned)CallingConv::C;
if (!DL->hasMicrosoftFastStdCallMangling() &&
CC != CallingConv::X86_VectorCall)
MSFunc = nullptr;