@Override
	public void invalidateCache(boolean all) {
		lock.acquire();
		try {
			functionTagManager.invalidateCache();
			lastFuncID = -1;
			cache.invalidate();
		}
		finally {
			lock.release();
		}
	}
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