2018-04-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/85180
	* alias.c (find_base_term): New wrapper around find_base_term
	unwinding CSELIB_VAL_PTR changes.
	(find_base_term): Do not restore CSELIB_VAL_PTR during the
	recursion.

	* gcc.dg/pr85180.c: New testcase.

From-SVN: r259166