[Bug tree-optimization/82473] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy, at tree-vect-stmts.c:1524

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82473

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Oct 20 13:43:47 2017
New Revision: 253937

URL: https://gcc.gnu.org/viewcvs?rev=253937&root=gcc&view=rev
Log:
2017-10-20  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/82473
        * tree-vect-loop.c (vectorizable_reduction): Properly get at
        the largest input type.

        * gcc.dg/torture/pr82473.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr82473.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c