[Bug middle-end/52621] [4.6/4.7 Regression] ICE with -O3 -march=opteron in initialize_matrix_A, at tree-data-ref.c:1964

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52621

--- Comment #14 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-06 
09:20:25 UTC ---
Author: rguenth
Date: Fri Jul  6 09:20:19 2012
New Revision: 189312

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189312
Log:
2012-07-06  Richard Guenther  <rguent...@suse.de>

        Backport from mainline
    2012-04-11  Richard Guenther  <rguent...@suse.de>

    PR middle-end/52621
    * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
    consider loop nesting.
    (evolution_function_is_univariate_p): Properly check the remainder
    for chrecs.

    * gfortran.dg/pr52621.f90: New testcase.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gfortran.dg/pr52621.f90
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-chrec.c