[Bug tree-optimization/69426] [5/6 Regression] ICE: verify_ssa failed (error: missing definition) w/ -O2 (and above) -ftree-parallelize-loops=2

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69426

vries at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|5.3.0                       |
            Summary|[6 Regression] ICE:         |[5/6 Regression] ICE:
                   |verify_ssa failed (error:   |verify_ssa failed (error:
                   |missing definition) w/ -O2  |missing definition) w/ -O2
                   |(and above)                 |(and above)
                   |-ftree-parallelize-loops=2  |-ftree-parallelize-loops=2
      Known to fail|                            |5.3.0

--- Comment #3 from vries at gcc dot gnu.org ---
Reproduced (on x86_64) with 5 branch.

The ICE seems to have been triggered by removing the expand_omp_local from
parloops and using a separate omp_expand_ssa pass.