[Bug tree-optimization/81038] [8 regression] test case g++.dg/vect/slp-pr56812.cc fails starting with r248678

[sje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81038

Steve Ellcey <sje at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-08-01
                 CC|                            |sje at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #3 from Steve Ellcey <sje at gcc dot gnu.org> ---
Looking at the slp dump file on aarch64 where this also fails I see these
messages:

slp-pr56812.cc:18:1: note: === vect_analyze_data_refs ===
slp-pr56812.cc:18:1: note: not vectorized: no vectype for stmt: MEM[(float
*)thi
s_4(D)] = vect_cst__10;
 scalar_type: vector(4) float
slp-pr56812.cc:18:1: note: not vectorized: no vectype for stmt: MEM[(float
*)vec
tp_this.5_6] = vect_cst__10;
 scalar_type: vector(4) float
slp-pr56812.cc:18:1: note: === vect_analyze_data_ref_accesses ===
slp-pr56812.cc:18:1: note: not vectorized: no grouped stores in basic block.