[Bug c++/31863] [4.1/4.2/4.3 Regression] g++-4.1: out of memory with -O1/-O2

[rguenth at gcc dot gnu dot org]

------- Comment #22 from rguenth at gcc dot gnu dot org  2008-01-08 21:36 -------
Subject: Bug 31863

Author: rguenth
Date: Tue Jan  8 21:35:25 2008
New Revision: 131405

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131405
Log:
2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31863
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
        out early if the result will be unused.

        * g++.dg/torture/pr31863.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr31863.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-structalias.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31863