https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77960

            Bug ID: 77960
           Summary: ICE in gfc_conv_ss_startstride, at
                    fortran/trans-array.c:3966
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gerhard.steinmetz.fort...@t-online.de
  Target Milestone: ---

With invalid code, down to at least 4.8 :


$ cat z1.f90
program p
   procedure(g), pointer :: f
   f => g
   read(99) f
contains
   function g() result(z)
      integer :: z(2)
      z = 1
   end
end


$ gfortran-7-20161009 z1.f90
z1.f90:4:0:

    read(99) f

internal compiler error: in gfc_conv_ss_startstride, at
fortran/trans-array.c:3966
0x730c76 gfc_conv_ss_startstride(gfc_loopinfo*)
        ../../gcc/fortran/trans-array.c:3966
0x790184 gfc_trans_transfer(gfc_code*)
        ../../gcc/fortran/trans-io.c:2520
0x723ff7 trans_code
        ../../gcc/fortran/trans.c:1918
0x78ce50 build_dt
        ../../gcc/fortran/trans-io.c:1962
0x724027 trans_code
        ../../gcc/fortran/trans.c:1886
0x7538b8 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6257
0x6de1a0 translate_all_program_units
        ../../gcc/fortran/parse.c:5940
0x6de1a0 gfc_parse_file()
        ../../gcc/fortran/parse.c:6146
0x720e22 gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:198

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