re PR middle-end/69553 (Optimizations O1/O2 makes std::array value incorrect when passed to function)

2016-02-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/69553
	* fold-const.c (operand_equal_p): Properly compare offsets for
	IMAGPART_EXPR and ARRAY_REF.

	* g++.dg/torture/pr69553.C: New testcase.

From-SVN: r233520