[Bug tree-optimization/54735] [4.7 Regression] Segmentation fault in walk_aliased_vdefs_1

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54735

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> 2012-11-26 14:26:18 UTC ---
Author: rguenth
Date: Mon Nov 26 14:26:07 2012
New Revision: 193816

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193816
Log:
2012-11-26  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2012-10-19  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/54976
    * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
    Robustify against odd inner_mode inputs.

    2012-10-12  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/54894
    * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
    Handle over-aligned scalar types properly.

    2012-10-02  Richard Guenther  <rguenther@suse.de>

    PR middle-end/54735
    * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
    cleaning up the CFG.


    2012-10-12  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/54894
    * gcc.dg/torture/pr54894.c: New testcase.

    2012-10-02  Richard Guenther  <rguenther@suse.de>

    PR middle-end/54735
    * g++.dg/torture/pr54735.C: New testcase.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/g++.dg/torture/pr54735.C
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr54894.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-ssa-pre.c
    branches/gcc-4_7-branch/gcc/tree-vect-stmts.c