[Bug tree-optimization/87746] [9 Regression] ICE in vect_update_misalignment_for_peel, at tree-vect-data-refs.c:1035

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87746

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Oct 26 07:12:02 2018
New Revision: 265517

URL: https://gcc.gnu.org/viewcvs?rev=265517&root=gcc&view=rev
Log:
2018-10-26  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/87746
        * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
        Simplify and fix WRT strided store groups with size not
        equal to step in element count.
        (vect_analyze_group_access_1): Dump the whole group.

        * gcc.dg/pr87746.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr87746.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c