[Bug tree-optimization/88182] [9 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:6465

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88182

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Nov 26 15:37:35 2018
New Revision: 266467

URL: https://gcc.gnu.org/viewcvs?rev=266467&root=gcc&view=rev
Log:
2018-11-26  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/88182
        * tree-vect-loop.c (vectorizable_reduction): Pick up single
        correct reduc_def_info.
        * tree-vect-slp.c (vect_analyze_slp_instance): Set
        STMT_VINFO_REDUC_DEF of the first stmt.

        libgomp/
        * testsuite/libgomp.c++/pr88182.C: New testcase.

Added:
    trunk/libgomp/testsuite/libgomp.c++/pr88182.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-slp.c
    trunk/libgomp/ChangeLog