[Bug tree-optimization/92405] [10 regression] ICE in vect_get_vec_def_for_stmt_copy, at tree-vect-stmts.c:1683

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92405

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Nov  7 11:49:09 2019
New Revision: 277921

URL: https://gcc.gnu.org/viewcvs?rev=277921&root=gcc&view=rev
Log:
2019-11-07  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/92405
        * tree-vect-loop.c (vectorizable_reduction): Appropriately
        restrict lane-reducing ops to single stmt chains.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-loop.c