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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/63476] [5 Regression] ICE: tree check: expected ssa_name, have var_decl in walk_aliased_vdefs_1, at tree-ssa-alias.c:2689
Date: Fri, 10 Oct 2014 11:05:00 -0000	[thread overview]
Message-ID: <bug-63476-4-8hQP3PXfka@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-63476-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63476

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Oct 10 11:04:39 2014
New Revision: 216065

URL: https://gcc.gnu.org/viewcvs?rev=216065&root=gcc&view=rev
Log:
2014-10-10  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/63476
    * tree-ssa-pre.c (struct bb_bitmap_sets): Add vop_on_exit member.
    (BB_LIVE_VOP_ON_EXIT): New define.
    (create_expression_by_pieces): Assign VUSEs to stmts.
    (compute_avail): Track BB_LIVE_VOP_ON_EXIT.
    (pass_pre::execute): Assert virtual SSA form is up-to-date
    after insertion.

    * g++.dg/torture/pr63476.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr63476.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c


  parent reply	other threads:[~2014-10-10 11:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-07 21:05 [Bug tree-optimization/63476] New: " trippels at gcc dot gnu.org
2014-10-08 11:11 ` [Bug tree-optimization/63476] " rguenth at gcc dot gnu.org
2014-10-09 11:12 ` rguenth at gcc dot gnu.org
2014-10-10 11:05 ` rguenth at gcc dot gnu.org [this message]
2014-10-10 11:09 ` rguenth at gcc dot gnu.org

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