[Bug tree-optimization/54647] [4.8 Regression] Segmentation fault in get_expr_value_id with -O2

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54647

--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-21 12:44:12 UTC ---
Author: rguenth
Date: Fri Sep 21 12:44:07 2012
New Revision: 191613

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191613
Log:
2012-09-21  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/54647
    * tree-ssa-pre.c (compute_avail): Do not put COND_EXPR
    or VEC_COND_EXPR into EXP_GEN again.

    * g++.dg/torture/pr54647.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr54647.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c