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Subject: [Bug fortran/98203] New: [11 Regression] ICE in gfc_trans_omp_do, at
 fortran/trans-openmp.c:4665
Date: Tue, 08 Dec 2020 17:36:29 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98203

            Bug ID: 98203
           Summary: [11 Regression] ICE in gfc_trans_omp_do, at
                    fortran/trans-openmp.c:4665
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Changed between 20200510 and 20200517 :


$ cat z1.f90
program p
   integer :: i, j
   !$omp simd collapse(2)
   do j =3D 1, 4
      do i =3D 1, 4, 2
      end do
   end do
end


$ gfortran-11-20200510 -c z1.f90 -fopenmp
$
$ gfortran-11-20201206 -c z1.f90 -fopenmp
z1.f90:3:25:

    3 |    !$omp simd collapse(2)
      |                         1
internal compiler error: in gfc_trans_omp_do, at fortran/trans-openmp.c:4665
0x7918c3 gfc_trans_omp_do
        ../../gcc/fortran/trans-openmp.c:4665
0x793b0f gfc_trans_omp_directive(gfc_code*)
        ../../gcc/fortran/trans-openmp.c:6104
0x729857 trans_code
        ../../gcc/fortran/trans.c:2163
0x74f8b4 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6880
0x6d6c66 translate_all_program_units
        ../../gcc/fortran/parse.c:6347
0x6d6c66 gfc_parse_file()
        ../../gcc/fortran/parse.c:6616
0x722aef gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:212=