[Bug tree-optimization/88107] [7/8/9 Regression] ICE in find_outermost_region_in_block, at tree-cfg.c:7157

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88107

Arseny Solokha <asolokha at gmx dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |5.4.0
            Summary|[9 Regression] ICE in       |[7/8/9 Regression] ICE in
                   |find_outermost_region_in_bl |find_outermost_region_in_bl
                   |ock, at tree-cfg.c:7157     |ock, at tree-cfg.c:7157
      Known to fail|                            |6.3.0, 7.3.0, 8.2.0, 9.0

--- Comment #3 from Arseny Solokha <asolokha at gmx dot com> ---
It's rather old. gcc 8.2, 7.3, 6.3 all fail the same way compiling
gcc/testsuite/gcc.dg/vect/vect-simd-clone-9.c w/ -O1 (-O2, -O3, -Ofast)
-fexceptions -floop-nest-optimize -fnon-call-exceptions -fopenmp
-ftree-parallelize-loops=2.