[v9_6] check for physical equivalence in names

[v9_6] check for physical equivalence in names

3599.	[tuning]	Check for pointer equivalence in name comparisons.
			[RT #18125]
(cherry picked from commit 7c2f5481416e00004df99b250737ada8c39b9b1d)
(cherry picked from commit 9c971268d4e4cd28e4ef3b8828153a49c4e260f4)