@Override
	public void setLengthOverride(int len) throws CodeUnitInsertionException {
		lock.acquire();
		try {
			checkDeleted();
			if (doSetLengthOverride(len)) {
				program.setChanged(ProgramEvent.LENGTH_OVERRIDE_CHANGED, address, address, null,
					null);
			}
		}
		finally {
			lock.release();
		}
	}
Clear all existing fall-through references from address.
@param keepFallThroughAddr if not null, corresponding fall-through reference will be 
preserved.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/InstructionDB.java