[Bug tree-optimization/87917] ICE in initialize_matrix_A at gcc/tree-data-ref.c:3150

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87917

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Nov 15 08:16:22 2018
New Revision: 266173

URL: https://gcc.gnu.org/viewcvs?rev=266173&root=gcc&view=rev
Log:
2018-11-15  Richard Biener  <rguent...@suse.de>

        PR middle-end/87917
        * tree-data-ref.c (analyze_miv_subscript): Guard calls to
        analyze_subscript_affine_affine properly.

        * gcc.dg/tree-ssa/pr87917.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr87917.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-data-ref.c