enhancement needed

The following code can't compile well on latest clang:

Enums.cc: const string EOperandType_to_string(EOperandType in_enum) { switch (in_enum) { case EOperandType::Constant: return "Constant"; case EOperandType::Immediate: return "Immediate"; case EOperandType::Choices: return "Choices"; case EOperandType::Register: return "Register"; case EOperandType::GPR: return "GPR"; case EOperandType::GPRSP: return "GPRSP"; case EOperandType::FPR: return "FPR"; case EOperandType::SIMDSR: return "SIMDSR"; case EOperandType::SIMDVR: return "SIMDVR"; case EOperandType::SysReg: return "SysReg"; case EOperandType::Branch: return "Branch"; case EOperandType::LoadStore: return "LoadStore"; case EOperandType::AuthBranch: return "AuthBranch"; case EOperandType::AuthLoadStore: return "AuthLoadStore"; case EOperandType::SystemOp: return "SystemOp"; case EOperandType::VECREG: return "VECREG"; case EOperandType::PREDREG: return "PREDREG"; case EOperandType::ALU: return "ALU"; case EOperandType::DataProcessing: return "DataProcessing"; default: unknown_enum_value("EOperandType", (unsigned char)(in_enum)); } return ""; }

The reason: https://stackoverflow.com/questions/8357240/how-to-automatically-convert-strongly-typed-enum-into-int

We need to enhance the code related.