Add a transparent comparator to c_instructions to allow string_view lookups

Author: cameel

libevmasm/Instruction.cpp

@@ -26,7 +26,7 @@ using namespace solidity;
 using namespace solidity::util;
 using namespace solidity::evmasm;
 
-std::map<std::string, Instruction> const solidity::evmasm::c_instructions =
+std::map<std::string, Instruction, std::less<>> const solidity::evmasm::c_instructions =
 {
 	{ "STOP", Instruction::STOP },
 	{ "ADD", Instruction::ADD },

libevmasm/Instruction.h

@@ -322,6 +322,6 @@ InstructionInfo instructionInfo(Instruction _inst, langutil::EVMVersion _evmVers
 bool isValidInstruction(Instruction _inst);
 
 /// Convert from string mnemonic to Instruction type.
-extern const std::map<std::string, Instruction> c_instructions;
+extern const std::map<std::string, Instruction, std::less<>> c_instructions;
 
 }