[Bug tree-optimization/58556] New: gen-vect-26.c / gen-vect-28.c regression merging from r202839 to r202981

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58556

            Bug ID: 58556
           Summary: gen-vect-26.c / gen-vect-28.c regression merging from
                    r202839 to r202981
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: amylaar at gcc dot gnu.org
            Target: arc-elf32

Created attachment 30921
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30921&action=edit
gen-vect-26.c.114t.vect dump file

I just merged in trunk from https://github.com/mirrors/gcc.git, and I see
four new failures (in just four days):
82870c82883
< PASS: gcc.dg/tree-ssa/gen-vect-26.c scan-tree-dump-times vect "vectorized 1
lo
ops" 1
---
> FAIL: gcc.dg/tree-ssa/gen-vect-26.c scan-tree-dump-times vect "vectorized 1 loops" 1
82872c82885
< PASS: gcc.dg/tree-ssa/gen-vect-26.c scan-tree-dump-times vect "Alignment of
access forced using peeling" 1
---
> FAIL: gcc.dg/tree-ssa/gen-vect-26.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
82875c82888
< PASS: gcc.dg/tree-ssa/gen-vect-28.c scan-tree-dump-times vect "vectorized 1
loops" 1
---
> FAIL: gcc.dg/tree-ssa/gen-vect-28.c scan-tree-dump-times vect "vectorized 1 loops" 1
82877c82890
< PASS: gcc.dg/tree-ssa/gen-vect-28.c scan-tree-dump-times vect "Alignment of
access forced using peeling" 1
---
> FAIL: gcc.dg/tree-ssa/gen-vect-28.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1