[Bug tree-optimization/50561] [4.7 regression] ICE when compiling zlib with -O2 -floop-flatten -floop-strip-mine

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50561

--- Comment #10 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-15 
12:20:23 UTC ---
Author: rguenth
Date: Wed Feb 15 12:20:10 2012
New Revision: 184265

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184265
Log:
2012-02-15  Tobias Grosser <gros...@fim.uni-passau.de>

    PR tree-optimization/50561
    * graphite-flattening.c (lst_project_loop): Do not
    remove old scattering dimensions after flattening.
    (lst_do_flatten): Likewise.

    * gcc.dg/graphite/pr50561.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr50561.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-flattening.c
    trunk/gcc/testsuite/ChangeLog