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[Bug tree-optimization/77479] [7 Regression] Compile time hog w/ -O2 (-Os)
- 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: Tue, 06 Sep 2016 12:51:33 +0000
- Subject: [Bug tree-optimization/77479] [7 Regression] Compile time hog w/ -O2 (-Os)
- Auto-submitted: auto-generated
- References: <bug-77479-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77479
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Sep 6 12:51:01 2016
New Revision: 240007
URL: https://gcc.gnu.org/viewcvs?rev=240007&root=gcc&view=rev
Log:
2016-09-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/77479
* tree-vrp.c (update_value_range): Extend overflow handling to
VARYING.
* gcc.dg/torture/pr77479.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr77479.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c