[Bug fortran/102430] New: ICE in fold_convert_loc, at fold-const.c:2554

["gscfq@t-online.de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102430

            Bug ID: 102430
           Summary: ICE in fold_convert_loc, at fold-const.c:2554
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started with r7 :


$ cat z1.f90
program p
   integer :: a(2)
   !$omp parallel do linear(a)
   do i = 1, 8
      a = a + 1
   end do
end


$ gfortran-12-20210919 -c z1.f90 -fopenmp
during GIMPLE pass: ompexp
z1.f90:5:15:

    5 |       a = a + 1
      |               ^
internal compiler error: in fold_convert_loc, at fold-const.c:2554
0x998563 fold_convert_loc(unsigned int, tree_node*, tree_node*)
        ../../gcc/fold-const.c:2554
0x180bcc8 expand_omp_for_static_nochunk
        ../../gcc/omp-expand.c:5260
0x1814bec expand_omp_for
        ../../gcc/omp-expand.c:8044
0x181518a expand_omp
        ../../gcc/omp-expand.c:10232
0x1815706 expand_omp
        ../../gcc/omp-expand.c:10218
0x181744d execute_expand_omp
        ../../gcc/omp-expand.c:10467