private static int findCollision(Map<Long, Integer> local2Operand, ArrayList<Long> locals,
			int operand) {
		Integer boxOperand = Integer.valueOf(operand);
		for (Long local : locals) {
			Integer previous = local2Operand.putIfAbsent(local, boxOperand);
			if (previous != null) {
				if (previous.intValue() != operand) {
					return previous.intValue();
				}
			}
		}
		return -1;
	}
<code>SleighCompile</code> provides the ability to compile Sleigh language module (e.g., *.slaspec)
files.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slgh_compile/SleighCompile.java