[Bug testsuite/83772] New: ICE in new test case gfortran.fortran-torture/compile/pr83081.f90 in r256423

["seurer at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83772

            Bug ID: 83772
           Summary: ICE in new test case
                    gfortran.fortran-torture/compile/pr83081.f90 in
                    r256423
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

Given the changelog I wonder if this test case was inadvertently checked in?

This occurs on powerpc64 both be and le.

spawn -ignore SIGHUP
/home/seurer/gcc/build/gcc-trunk/gcc/testsuite/gfortran23/../../gfortran
-B/home/seurer/gcc/build/gcc-trunk/gcc/testsuite/gfortran23/../../
-B/home/seurer/gcc/build/gcc-trunk/powerpc64-unknown-linux-gnu/./libgfortran/
-fno-diagnostics-show-caret -fdiagnostics-color=never -w -O3 -g -c -o
/home/seurer/gcc/build/gcc-trunk/gcc/testsuite/gfortran23/pr83081.o
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gfortran.fortran-torture/compile/pr83081.f90
during GIMPLE pass: pcom
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gfortran.fortran-torture/compile/pr83081.f90:4:0:
internal compiler error: in probability_in, at profile-count.h:1038
0x10bf8627 profile_count::probability_in(profile_count) const
        /home/seurer/gcc/gcc-trunk/gcc/profile-count.h:1038
0x10bf8627 tree_transform_and_unroll_loop(loop*, unsigned int, edge_def*,
tree_niter_desc*, void (*)(loop*, void*), void*)
        /home/seurer/gcc/gcc-trunk/gcc/tree-ssa-loop-manip.c:1382
0x10b3438f tree_predictive_commoning_loop
        /home/seurer/gcc/gcc-trunk/gcc/tree-predcom.c:3279
0x10b3438f tree_predictive_commoning()
        /home/seurer/gcc/gcc-trunk/gcc/tree-predcom.c:3312
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
compiler exited with status 1
output is:
during GIMPLE pass: pcom
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gfortran.fortran-torture/compile/pr83081.f90:4:0:
internal compiler error: in probability_in, at profile-count.h:1038
0x10bf8627 profile_count::probability_in(profile_count) const
        /home/seurer/gcc/gcc-trunk/gcc/profile-count.h:1038
0x10bf8627 tree_transform_and_unroll_loop(loop*, unsigned int, edge_def*,
tree_niter_desc*, void (*)(loop*, void*), void*)
        /home/seurer/gcc/gcc-trunk/gcc/tree-ssa-loop-manip.c:1382
0x10b3438f tree_predictive_commoning_loop
        /home/seurer/gcc/gcc-trunk/gcc/tree-predcom.c:3279
0x10b3438f tree_predictive_commoning()
        /home/seurer/gcc/gcc-trunk/gcc/tree-predcom.c:3312