[Bug tree-optimization/39202] [4.4 Regression] internal compiler error: in collapse_rest_of_var, at tree-ssa-structalias.c:3296

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2009-02-17 16:02 -------
Subject: Bug 39202

Author: rguenth
Date: Tue Feb 17 16:01:53 2009
New Revision: 144235

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144235
Log:
2009-02-17  Richard Guenther  <rguent...@suse.de>

        PR tree-optimization/39202
        * tree-ssa-structalias.c (do_structure_copy): Before collapsing
        a var make sure to follow existing collapses.

        * gcc.c-torture/compile/pr39202.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr39202.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-structalias.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39202