[Bug fortran/105380] New: ICE in gfc_conv_array_initializer, at fortran/trans-array.cc:6317

[Bug fortran/105380] New: ICE in gfc_conv_array_initializer, at fortran/trans-array.cc:6317

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105380

            Bug ID: 105380
           Summary: ICE in gfc_conv_array_initializer, at
                    fortran/trans-array.cc:6317
           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: ---

Something has changed between 20220306 and 20220327,
relevant especially for release versions :


$ cat z1.f90
program p
   type t(n)
      integer, len :: n
   end type
   type t2(m)
      integer, len :: m
      type(t(1)) :: a(m)
   end type
   type(t2(3)) :: x
end


$ gfortran-12-20220306 -c z1.f90
$
$ gfortran-12-20220424 -c z1.f90
z1.f90:10:3:

   10 | end
      |   1
internal compiler error: Segmentation fault
0xccf18f crash_signal
        ../../gcc/toplev.cc:322
0x7c2197 wi::extended_tree<576>::get_len() const
        ../../gcc/tree.h:6179
0x7c2197 wi::int_traits<generic_wide_int<wi::extended_tree<576> >
>::decompose(long*, unsigned int, generic_wide_int<wi::extended_tree<576> >
const&)
        ../../gcc/wide-int.h:985
0x7c2197 wide_int_ref_storage<true,
false>::wide_int_ref_storage<generic_wide_int<wi::extended_tree<576> >
>(generic_wide_int<wi::extended_tree<576> > const&, unsigned int)
        ../../gcc/wide-int.h:1034
0x7c2197 generic_wide_int<wide_int_ref_storage<true, false>
>::generic_wide_int<generic_wide_int<wi::extended_tree<576> >
>(generic_wide_int<wi::extended_tree<576> > const&, unsigned int)
        ../../gcc/wide-int.h:790
0x7c2197 bool wi::lts_p<generic_wide_int<wi::extended_tree<576> >,
generic_wide_int<wi::extended_tree<576> >
>(generic_wide_int<wi::extended_tree<576> > const&,
generic_wide_int<wi::extended_tree<576> > const&)
        ../../gcc/wide-int.h:1904
0x7c2197 wi::binary_traits<generic_wide_int<wi::extended_tree<576> >,
generic_wide_int<wi::extended_tree<576> >,
wi::int_traits<generic_wide_int<wi::extended_tree<576> > >::precision_type,
wi::int_traits<generic_wide_int<wi::extended_tree<576> >
>::precision_type>::signed_predicate_result operator<
<generic_wide_int<wi::extended_tree<576> >,
generic_wide_int<wi::extended_tree<576> >
>(generic_wide_int<wi::extended_tree<576> > const&,
generic_wide_int<wi::extended_tree<576> > const&)
        ../../gcc/wide-int.h:3250
0x7c2197 tree_int_cst_lt(tree_node const*, tree_node const*)
        ../../gcc/tree.h:6335
0x7c2197 gfc_conv_array_initializer(tree_node*, gfc_expr*)
        ../../gcc/fortran/trans-array.cc:6316
0x7efa40 gfc_conv_initializer(gfc_expr*, gfc_typespec*, tree_node*, bool, bool,
bool)
        ../../gcc/fortran/trans-expr.cc:8393
0x7dc1e3 gfc_conv_structure(gfc_se*, gfc_expr*, int)
        ../../gcc/fortran/trans-expr.cc:9308
0x7efb99 gfc_conv_initializer(gfc_expr*, gfc_typespec*, tree_node*, bool, bool,
bool)
        ../../gcc/fortran/trans-expr.cc:8428
0x7c6ba5 gfc_emit_parameter_debug_info
        ../../gcc/fortran/trans-decl.cc:5513
0x78f282 do_traverse_symtree
        ../../gcc/fortran/symbol.cc:4174
0x7d4d18 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.cc:7818
0x75700e translate_all_program_units
        ../../gcc/fortran/parse.cc:6669
0x75700e gfc_parse_file()
        ../../gcc/fortran/parse.cc:6956
0x7a44af gfc_be_parse_file
        ../../gcc/fortran/f95-lang.cc:216

[Bug fortran/105380] ICE in gfc_conv_array_initializer, at fortran/trans-array.cc:6317

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105380

G. Steinmetz <gscfq@t-online.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code

--- Comment #1 from G. Steinmetz <gscfq@t-online.de> ---

On the other hand, test versions are affected down to r8 :
(gcc configured with --enable-checking=yes)


$ gfortran-12-20220424 -c z1.f90
z1.f90:10:3:

   10 | end
      |   1
internal compiler error: tree check: expected array_type, have record_type in
gfc_conv_array_initializer, at fortran/trans-array.cc:6317
0x6addd6 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
        ../../gcc/tree.cc:8798
0x7fc3f2 tree_check(tree_node*, char const*, int, char const*, tree_code)
        ../../gcc/tree.h:3457
0x7fc3f2 gfc_conv_array_initializer(tree_node*, gfc_expr*)
        ../../gcc/fortran/trans-array.cc:6317
0x842b00 gfc_conv_initializer(gfc_expr*, gfc_typespec*, tree_node*, bool, bool,
bool)
        ../../gcc/fortran/trans-expr.cc:8393
0x842f20 gfc_conv_structure(gfc_se*, gfc_expr*, int)
        ../../gcc/fortran/trans-expr.cc:9308
0x842c59 gfc_conv_initializer(gfc_expr*, gfc_typespec*, tree_node*, bool, bool,
bool)
        ../../gcc/fortran/trans-expr.cc:8428
0x814170 gfc_emit_parameter_debug_info
        ../../gcc/fortran/trans-decl.cc:5513
0x7d0742 do_traverse_symtree
        ../../gcc/fortran/symbol.cc:4174
0x826bc3 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.cc:7818
0x7984ce translate_all_program_units
        ../../gcc/fortran/parse.cc:6669
0x7984ce gfc_parse_file()
        ../../gcc/fortran/parse.cc:6956
0x7e653f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.cc:216

[Bug fortran/105380] [PDT] ICE in gfc_conv_array_initializer, at fortran/trans-array.cc:6317 since r8-3056-g5bab4c9631c478b7

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105380

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-04-25
            Summary|[PDT] ICE in                |[PDT] ICE in
                   |gfc_conv_array_initializer, |gfc_conv_array_initializer,
                   |at                          |at
                   |fortran/trans-array.cc:6317 |fortran/trans-array.cc:6317
                   |                            |since
                   |                            |r8-3056-g5bab4c9631c478b7
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
                 CC|                            |marxin at gcc dot gnu.org,
                   |                            |pault at gcc dot gnu.org

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r8-3056-g5bab4c9631c478b7.

[Bug fortran/105380] [PDT] ICE in gfc_conv_array_initializer, at fortran/trans-array.cc:6317 since r8-3056-g5bab4c9631c478b7

[pault at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105380

Paul Thomas <pault at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |82173

--- Comment #3 from Paul Thomas <pault at gcc dot gnu.org> ---
Added to PDT meta-bug


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82173
[Bug 82173] [meta-bug] [PDT] Parameterized derived type errors