[Bug tree-optimization/66129] New: [6 Regression] FAIL: gcc.dg/vect/vect-strided-*c execution test

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66129

            Bug ID: 66129
           Summary: [6 Regression] FAIL: gcc.dg/vect/vect-strided-*c
                    execution test
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: rguenther at suse dot de
  Target Milestone: ---

On x86, r223059 caused:

FAIL: gcc.dg/vect/vect-strided-a-mult.c execution test
FAIL: gcc.dg/vect/vect-strided-a-mult.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-a-u16-i2.c execution test
FAIL: gcc.dg/vect/vect-strided-a-u16-i2.c -flto -ffat-lto-objects execution
test
FAIL: gcc.dg/vect/vect-strided-a-u16-i4.c execution test
FAIL: gcc.dg/vect/vect-strided-a-u16-i4.c -flto -ffat-lto-objects execution
test
FAIL: gcc.dg/vect/vect-strided-a-u16-mult.c execution test
FAIL: gcc.dg/vect/vect-strided-a-u16-mult.c -flto -ffat-lto-objects execution
test
FAIL: gcc.dg/vect/vect-strided-a-u32-mult.c execution test
FAIL: gcc.dg/vect/vect-strided-a-u32-mult.c -flto -ffat-lto-objects execution
test
FAIL: gcc.dg/vect/vect-strided-mult.c execution test
FAIL: gcc.dg/vect/vect-strided-mult.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-mult-char-ls.c execution test
FAIL: gcc.dg/vect/vect-strided-mult-char-ls.c -flto -ffat-lto-objects execution
test
FAIL: gcc.dg/vect/vect-strided-u16-i2.c execution test
FAIL: gcc.dg/vect/vect-strided-u16-i2.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-u16-i4.c execution test
FAIL: gcc.dg/vect/vect-strided-u16-i4.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-u32-i4.c execution test
FAIL: gcc.dg/vect/vect-strided-u32-i4.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-u32-i8.c execution test
FAIL: gcc.dg/vect/vect-strided-u32-i8.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-u32-mult.c execution test
FAIL: gcc.dg/vect/vect-strided-u32-mult.c -flto -ffat-lto-objects execution
test
FAIL: gcc.dg/vect/vect-strided-u8-i2.c execution test
FAIL: gcc.dg/vect/vect-strided-u8-i2.c -flto -ffat-lto-objects execution test

with

make check-gcc RUNTESTFLAGS="vect.exp=vect-strided*.c
--target_board='unix{-march=corei7}'"