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[Bug tree-optimization/82042] signed integer overflow in ao_ref_init_from_ptr_and_size
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 22 Nov 2017 09:05:19 +0000
- Subject: [Bug tree-optimization/82042] signed integer overflow in ao_ref_init_from_ptr_and_size
- Auto-submitted: auto-generated
- References: <bug-82042-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82042
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Nov 22 09:04:47 2017
New Revision: 255046
URL: https://gcc.gnu.org/viewcvs?rev=255046&root=gcc&view=rev
Log:
2017-11-22 Richard Biener <rguenther@suse.de>
Revert
2017-11-21 Martin Liska <mliska@suse.cz>
Backport from mainline
2017-11-21 Martin Liska <mliska@suse.cz>
PR rtl-optimization/82044
PR tree-optimization/82042
* dse.c (check_mem_read_rtx): Check for overflow.
Modified:
branches/gcc-7-branch/gcc/ChangeLog
branches/gcc-7-branch/gcc/dse.c