@Override
			public void modifyLatest(ProgramDB program) {
				ReferenceManager refMgr = program.getReferenceManager();
				Reference[] refs;

				// Change reg ref to mem ref
				refs = refMgr.getReferencesFrom(addr(program, "0x10018a6"), 0);
				assertEquals(1, refs.length);
				refMgr.delete(refs[0]);
				refMgr.addMemoryReference(addr(program, "0x10018a6"),
					addr(program, "0x10018ae"), RefType.COMPUTED_JUMP, SourceType.DEFAULT, 0);
			}
Test the merge of the versioned program's listing.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/listing/RefMergerRegTest.java