[Bug bootstrap/92301] [10 Regression] Wrong vectorizer code since r277566

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92301

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Nov  4 10:08:22 2019
New Revision: 277771

URL: https://gcc.gnu.org/viewcvs?rev=277771&root=gcc&view=rev
Log:
2019-11-04  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/92301
        * tree-vect-stmts.c (process_use): Force reduction PHI defs live
        as required by epilogue generation

        * gcc.dg/pr92301.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr92301.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c