[Bug tree-optimization/92252] [10 Regression] ICE: Segmentation fault (in vect_stmt_to_vectorize)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92252

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Oct 28 13:43:49 2019
New Revision: 277517

URL: https://gcc.gnu.org/viewcvs?rev=277517&root=gcc&view=rev
Log:
2019-10-28  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/92252
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Adjust
        STMT_VINFO_REDUC_IDX when swapping operands.

        * gcc.dg/torture/pr92252.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr92252.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-slp.c