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[Bug tree-optimization/70115] gcc ICE at -O2 (seg fault) and above on valid code on x86_64-linux-gnu
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 07 Mar 2016 10:30:24 +0000
- Subject: [Bug tree-optimization/70115] gcc ICE at -O2 (seg fault) and above on valid code on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-70115-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70115
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-03-07
CC| |mpolacek at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r211725:
commit 39b620843f18a606cf319d09a41689352493728d
Author: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue Jun 17 07:42:47 2014 +0000
2014-06-17 Richard Biener <rguenther@suse.de>
* tree-ssa-propagate.c: Include domwalk.h.
(substitute_and_fold): Outline main worker into a domwalker ...
(substitute_and_fold_dom_walker::before_dom_children): ... here.
Schedule stmts we can fully propagate for removal. Remove
poor-mans DCE.
(substitute_and_fold): Apply a dominator walk to perform
substitution. Process stmts scheduled for removal here.
* gcc.dg/tree-ssa/20041122-1.c: Adjust.
* gcc.dg/tree-ssa/forwprop-21.c: Likewise.
* gcc.dg/tree-ssa/vrp35.c: Revert previous adjustments.
* gcc.dg/tree-ssa/vrp36.c: Likewise.
* gcc.dg/vect/nodump-forwprop-22.c: Adjust.