[Bug fortran/103472] New: ICE in gfc_conv_ss_startstride, at fortran/trans-array.c:4527

gscfq@t-online.de gcc-bugzilla@gcc.gnu.org
Mon Nov 29 18:49:24 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103472

            Bug ID: 103472
           Summary: ICE in gfc_conv_ss_startstride, at
                    fortran/trans-array.c:4527
           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: ---

Affects versions down to at least r5 :


$ cat z1.f90
program p
   integer, parameter :: a(0) = 0
   print *, (a(1:1))
end


$ gfortran-12-20211128 -c z1.f90
z1.f90:3:15:

    3 |    print *, (a(1:1))
      |               1
Warning: Lower array reference at (1) is out of bounds (1 > 0) in dimension 1
z1.f90:3:15:

    3 |    print *, (a(1:1))
      |               1
Warning: Lower array reference at (1) is out of bounds (1 > 0) in dimension 1
z1.f90:3:20:

    3 |    print *, (a(1:1))
      |                    1
internal compiler error: in gfc_conv_ss_startstride, at
fortran/trans-array.c:4527
0x856d02 gfc_conv_ss_startstride(gfc_loopinfo*)
        ../../gcc/fortran/trans-array.c:4527
0x8b3535 gfc_trans_transfer(gfc_code*)
        ../../gcc/fortran/trans-io.c:2645
0x850627 trans_code
        ../../gcc/fortran/trans.c:2136
0x8b0ece build_dt
        ../../gcc/fortran/trans-io.c:2026
0x850607 trans_code
        ../../gcc/fortran/trans.c:2108
0x8795fe gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:7644
0x7fc90e translate_all_program_units
        ../../gcc/fortran/parse.c:6638
0x7fc90e gfc_parse_file()
        ../../gcc/fortran/parse.c:6925
0x84967f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:216


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