[Bug fortran/93579] New: [9/10 Regression] ICE in gfc_conv_substring_expr, at fortran/trans-expr.c:8587

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93579

            Bug ID: 93579
           Summary: [9/10 Regression] ICE in gfc_conv_substring_expr, at
                    fortran/trans-expr.c:8587
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Changed between 20181028 (rejected) and 20181104 (ICE):


$ cat z1.f90
program p
   character(5), parameter :: x = ' abc '
   print *, adjustl(x%re(:))
   print *, adjustr(x%re(:))
end


$ gfortran-10-20200202 -c z1.f90
z1.f90:3:0:

    3 |    print *, adjustl(x%re(:))
      |
internal compiler error: in gfc_conv_substring_expr, at
fortran/trans-expr.c:8587
0x72771a gfc_conv_substring_expr
        ../../gcc/fortran/trans-expr.c:8587
0x72771a gfc_conv_expr(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:8681
0x73a1db gfc_conv_intrinsic_function_args
        ../../gcc/fortran/trans-intrinsic.c:224
0x73a2ed gfc_conv_intrinsic_adjust
        ../../gcc/fortran/trans-intrinsic.c:8019
0x750362 gfc_conv_intrinsic_function(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-intrinsic.c:9863
0x7267da gfc_conv_expr(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:8665
0x72d672 gfc_conv_expr_reference(gfc_se*, gfc_expr*, bool)
        ../../gcc/fortran/trans-expr.c:8765
0x755777 gfc_trans_transfer(gfc_code*)
        ../../gcc/fortran/trans-io.c:2582
0x6f6157 trans_code
        ../../gcc/fortran/trans.c:2084
0x75325e build_dt
        ../../gcc/fortran/trans-io.c:2026
0x6f6137 trans_code
        ../../gcc/fortran/trans.c:2056
0x71f504 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6835
0x6a83a6 translate_all_program_units
        ../../gcc/fortran/parse.c:6306
0x6a83a6 gfc_parse_file()
        ../../gcc/fortran/parse.c:6545
0x6f295f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:210