[Bug fortran/93601] New: [10 Regression] ICE: Invalid expression in gfc_element_size

[gs...@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93601

            Bug ID: 93601
           Summary: [10 Regression] ICE: Invalid expression in
                    gfc_element_size
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gs...@t-online.de
  Target Milestone: ---

Changed between 20190630 and 20190728 :


$ cat z1.f90
program p
   class(*), allocatable :: z
   z = z'1'
end


$ cat z2.f90
program p
   class(*), allocatable :: z
   z = (z'1')
end


$ gfortran-10-20190630 -c z1.f90
$
$ gfortran-10-20200202 -c z1.f90
f951: internal compiler error: Invalid expression in gfc_element_size.
0x649779 gfc_report_diagnostic
        ../../gcc/fortran/error.c:782
0x64ae9a gfc_internal_error(char const*, ...)
        ../../gcc/fortran/error.c:1402
0x6e6a92 gfc_element_size(gfc_expr*, unsigned long*)
        ../../gcc/fortran/target-memory.c:137
0x62d3b2 find_intrinsic_vtab
        ../../gcc/fortran/class.c:2722
0x62d3b2 gfc_find_vtab(gfc_typespec*)
        ../../gcc/fortran/class.c:2872
0x67ca42 gfc_match_assignment()
        ../../gcc/fortran/match.c:1375
0x6a06e0 match_word
        ../../gcc/fortran/parse.c:65
0x6a06e0 decode_statement
        ../../gcc/fortran/parse.c:361
0x6a21da next_free
        ../../gcc/fortran/parse.c:1279
0x6a21da next_statement
        ../../gcc/fortran/parse.c:1511
0x6a382b parse_spec
        ../../gcc/fortran/parse.c:3922
0x6a65fc parse_progunit
        ../../gcc/fortran/parse.c:5851
0x6a7cd9 gfc_parse_file()
        ../../gcc/fortran/parse.c:6392
0x6f295f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:210