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.