https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90004
--- Comment #4 from Arseny Solokha <asolokha at gmx dot com> ---
(In reply to Arseny Solokha from comment #3)
> I cannot reproduce the first ICE w/ the current gcc trunk snapshot and isl
> 0.22 anymore.
I've finally managed to get the initial backtrace w/ isl 0.22.
subroutine ww (xk, ha, ku, bh)
real :: ha, xk(5,0:12,0:12,0:12)
integer :: f9, i5, c1, ku, bh
do i5 = 1, bh
do f9 = 1, ku
xk(0,f9,i5,0) = 0.0
xk(3,f9,i5,0) = ha
enddo
enddo
end subroutine ww
% powerpc-e300c3-linux-gnu-gfortran-10.0.0-alpha20191222 -O1
-floop-parallelize-all -fno-aggressive-loop-optimizations -w -c hwdwngqs.f90
during GIMPLE pass: graphite
hwdwngqs.f90:1:0:
1 | subroutine ww (xk, ha, ku, bh)
|
internal compiler error: Segmentation fault
0xe7c536 crash_signal
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191222/work/gcc-10-20191222/gcc/toplev.c:328
0x165638b scop_get_dependences(scop*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191222/work/gcc-10-20191222/gcc/graphite-dependences.c:316
0x1653957 translate_isl_ast_to_gimple::scop_to_isl_ast(scop*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191222/work/gcc-10-20191222/gcc/graphite-isl-ast-to-gimple.c:1399
0x1655282 graphite_regenerate_ast_isl(scop*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191222/work/gcc-10-20191222/gcc/graphite-isl-ast-to-gimple.c:1479
0x1650b6d graphite_transform_loops()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191222/work/gcc-10-20191222/gcc/graphite.c:471
0x1651160 graphite_transforms
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191222/work/gcc-10-20191222/gcc/graphite.c:537
0x1651160 execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191222/work/gcc-10-20191222/gcc/graphite.c:614
