public void clearTemporaryIds() {
		mapNonDBDataTypeToID = null;
		mapIDToNonDBDataType = null;
		tempIDCounter = 0;
	}
Throw out any temporary ids (from previous function decompilation) and
reset the counter.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/PcodeDataTypeManager.java