re PR tree-optimization/81503 (Wrong code at -O2)

re PR tree-optimization/81503 (Wrong code at -O2)

[gcc]

2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
	    Jakub Jelinek  <jakub@redhat.com>
	    Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81503
	* gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
	folded constant fits in the target type; reorder tests for clarity.

[gcc/testsuite]

2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/81503
	* gcc.c-torture/execute/pr81503.c: New file.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
Co-Authored-By: Richard Biener <rguenther@suse.de>
From-SVN: r251414