public void executeMultiequal(PcodeOpRaw op) {
		throw new LowlevelError("MULTIEQUAL appearing in unheritaged code?");
	}
This kind of pcode op should not come up in ordinary emulation, so this routine
throws an exception.
@param op is the particular multiequal op being executed
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emulate/Emulate.java