[Bug tree-optimization/85478] ICE with single element vector

[krebbel at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85478

--- Comment #10 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Author: krebbel
Date: Tue Apr 24 12:18:26 2018
New Revision: 259593

URL: https://gcc.gnu.org/viewcvs?rev=259593&root=gcc&view=rev
Log:
Fix PR85478

gcc/ChangeLog:

2018-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR tree-optimization/85478
        * tree-vect-loop.c (vect_analyze_loop_2): Do not call
        vect_grouped_store_supported for single element vectors.

gcc/testsuite/ChangeLog:

2018-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR tree-optimization/85478
        * g++.dg/pr85478.C: New test.


Added:
    trunk/gcc/testsuite/g++.dg/pr85478.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c