void functionChanged(FunctionDB func, FunctionChangeType changeType) {
		program.setChanged(new FunctionChangeRecord(func, changeType));

		List<Long> thunkFunctionIds = getThunkFunctionIds(func.getKey());
		if (thunkFunctionIds != null) {
			for (long key : thunkFunctionIds) {
				Function thunk = getFunction(key);
				if (thunk != null) {
					program.setChanged(new FunctionChangeRecord(thunk, changeType));
				}
			}
		}
	}
Remove parameter symbols which correspond to the 'this' parameter for all
__thiscall functions using dynamic storage.
NOTE: This method intended to be called by ProgramDB only during appropriate upgrade.
@param monitor
@throws CancelledException
@throws IOException
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionManagerDB.java