[Bug fortran/100155] New: [9/10/11 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[Bug fortran/100155] New: [9/10/11 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

            Bug ID: 100155
           Summary: [9/10/11 Regression] ICE in gfc_conv_intrinsic_size,
                    at fortran/trans-intrinsic.c:805
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Changed between 20181014 and 20181021 :
(r8 changed between 20190503 and 20190614)


$ cat z1.f90
program p
   type t
   end type
contains
   recursive function f(x) result(z)
      class(*):: x(:)
      type(t) :: z(size(x))
      class(t), allocatable :: a(:)
      class(t), allocatable :: b(:)
      b = f((a))
   end
end


$ cat z2.f90
program p
   type t
   end type
contains
   recursive function f(x) result(z)
      class(*):: x(:)
      type(t) :: z(size(x))
      class(t), pointer :: a(:)
      class(t), allocatable :: b(:)
      b = f((a))
   end
end


$ gfortran-9-20181014 -c z1.f90
$
$ gfortran-11-20210418 -c z1.f90
z1.f90:10:16:

   10 |       b = f((a))
      |                1
internal compiler error: Segmentation fault
0xc0b22f crash_signal
        ../../gcc/toplev.c:327
0x77abf7 gfc_conv_intrinsic_size
        ../../gcc/fortran/trans-intrinsic.c:8055
0x79211b gfc_conv_intrinsic_function(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-intrinsic.c:10702
0x76766a gfc_conv_expr(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:8967
0x769b0a gfc_apply_interface_mapping(gfc_interface_mapping*, gfc_se*,
gfc_expr*)
        ../../gcc/fortran/trans-expr.c:4830
0x73c647 gfc_set_loop_bounds_from_array_spec(gfc_interface_mapping*, gfc_se*,
gfc_array_spec*)
        ../../gcc/fortran/trans-array.c:940
0x773e5e gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
        ../../gcc/fortran/trans-expr.c:7041
0x77547c gfc_trans_arrayfunc_assign
        ../../gcc/fortran/trans-expr.c:10441
0x778fd4 gfc_trans_assignment(gfc_expr*, gfc_expr*, bool, bool, bool, bool)
        ../../gcc/fortran/trans-expr.c:11610
0x739707 trans_code
        ../../gcc/fortran/trans.c:1932
0x75fd34 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6884
0x75fb34 gfc_generate_contained_functions
        ../../gcc/fortran/trans-decl.c:5878
0x75fb34 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6816
0x6e66b6 translate_all_program_units
        ../../gcc/fortran/parse.c:6351
0x6e66b6 gfc_parse_file()
        ../../gcc/fortran/parse.c:6620
0x7329cf gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:212

[Bug fortran/100155] [9/10/11 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

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

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

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

Compiles without these extra parentheses in f((a)) :


$ cat z0.f90
program p
   type t
   end type
contains
   recursive function f(x) result(z)
      class(*):: x(:)
      type(t) :: z(size(x))
      class(t), allocatable :: a(:)
      class(t), allocatable :: b(:)
      b = f(a)
   end
end

[Bug fortran/100155] [9/10/11 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |burnus at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2021-04-21
     Ever confirmed|0                           |1

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r9-3522-gd0477233215e37de.

[Bug fortran/100155] [9/10/11 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P4
   Target Milestone|---                         |9.4

[Bug fortran/100155] [9/10/11/12 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|9.4                         |9.5

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 9.4 is being released, retargeting bugs to GCC 9.5.

[Bug fortran/100155] [10/11/12/13 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|9.5                         |10.4

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 9 branch is being closed

[Bug fortran/100155] [10/11/12/13 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|10.4                        |10.5

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 10.4 is being released, retargeting bugs to GCC 10.5.

[Bug fortran/100155] [11/12/13/14 Regression] ICE in gfc_conv_intrinsic_size, at fortran/trans-intrinsic.c:805

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100155

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|10.5                        |11.5

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 10 branch is being closed.