r274114 - in /trunk/gcc: ChangeLog fold-const.c...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Aug  5 12:30:49 2019
New Revision: 274114

URL: https://gcc.gnu.org/viewcvs?rev=274114&root=gcc&view=rev
Log:
2019-08-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/91169
	* fold-const.c (get_array_ctor_element_at_index): Create
	offset_ints according to the sign of the index type and treat
	that as signed if it is obviously so.

	* gnat.dg/array37.adb: New testcase.

Added:
    trunk/gcc/testsuite/gnat.dg/array37.adb
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog