[Bug fortran/103411] New: ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[Bug fortran/103411] New: ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

            Bug ID: 103411
           Summary: ICE in gfc_conv_array_initializer, at
                    fortran/trans-array.c:6377
           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: ---

Affects versions down to at least r5 :


$ cat z1.f90
program p
   integer, parameter :: a(2) = [2,2]
   integer, parameter :: b(2,2) = reshape([1,2,3], a)
   print *, b
end


$ gfortran-12-20211121 -c z1.f90
z1.f90:4:13:

    4 |    print *, b
      |             1
internal compiler error: in gfc_conv_array_initializer, at
fortran/trans-array.c:6377
0x865e1a gfc_conv_array_initializer(tree_node*, gfc_expr*)
        ../../gcc/fortran/trans-array.c:6377
0x893b60 gfc_conv_initializer(gfc_expr*, gfc_typespec*, tree_node*, bool, bool,
bool)
        ../../gcc/fortran/trans-expr.c:8375
0x874f2b gfc_get_symbol_decl(gfc_symbol*)
        ../../gcc/fortran/trans-decl.c:1941
0x8843b8 gfc_conv_variable
        ../../gcc/fortran/trans-expr.c:2997
0x88063a gfc_conv_expr(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:9402
0x8833d0 gfc_conv_expr_lhs(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:9432
0x853e98 gfc_conv_ss_descriptor
        ../../gcc/fortran/trans-array.c:3219
0x85e8db gfc_conv_expr_descriptor(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-array.c:7494
0x8b2a57 gfc_trans_transfer(gfc_code*)
        ../../gcc/fortran/trans-io.c:2630
0x84fa17 trans_code
        ../../gcc/fortran/trans.c:2136
0x8b02ce build_dt
        ../../gcc/fortran/trans-io.c:2026
0x84f9f7 trans_code
        ../../gcc/fortran/trans.c:2108
0x8789fe gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:7644
0x7fbd3e translate_all_program_units
        ../../gcc/fortran/parse.c:6638
0x7fbd3e gfc_parse_file()
        ../../gcc/fortran/parse.c:6925
0x848a6f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:216

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

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

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

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

Detected :


$ cat z2.f90
program p
   integer, parameter :: b(2,2) = reshape([1,2,3], [2,2])
   print *, b
end


$ gfortran-12-20211121 -c z2.f90
z2.f90:2:42:

    2 |    integer, parameter :: b(2,2) = reshape([1,2,3], [2,2])
      |                                          1
Error: Without padding, there are not enough elements in the intrinsic RESHAPE
source at (1) to match the shape

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anlauf at gcc dot gnu.org

--- Comment #2 from anlauf at gcc dot gnu.org ---
Created attachment 51869
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51869&action=edit
Untested patch

The check is already there.  It just did not trigger for the testcase...

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2021-11-24
             Status|UNCONFIRMED                 |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |anlauf at gcc dot gnu.org

--- Comment #3 from anlauf at gcc dot gnu.org ---
Submitted: https://gcc.gnu.org/pipermail/fortran/2021-November/057057.html

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Harald Anlauf <anlauf@gcc.gnu.org>:

https://gcc.gnu.org/g:4d540c7a4a7fb87b04d06e1ee7f9b004116279a4

commit r12-5550-g4d540c7a4a7fb87b04d06e1ee7f9b004116279a4
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Fri Nov 26 21:00:35 2021 +0100

    Fortran: improve check of arguments to the RESHAPE intrinsic

    gcc/fortran/ChangeLog:

            PR fortran/103411
            * check.c (gfc_check_reshape): Improve check of size of source
            array for the RESHAPE intrinsic against the given shape when pad
            is not given, and shape is a parameter.  Try other simplifications
            of shape.

    gcc/testsuite/ChangeLog:

            PR fortran/103411
            * gfortran.dg/pr68153.f90: Adjust test to improved check.
            * gfortran.dg/reshape_7.f90: Likewise.
            * gfortran.dg/reshape_9.f90: New test.

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Harald Anlauf
<anlauf@gcc.gnu.org>:

https://gcc.gnu.org/g:9d7add04d97cf7ac8e20cc8645c3c4173697d4ca

commit r11-9357-g9d7add04d97cf7ac8e20cc8645c3c4173697d4ca
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Fri Nov 26 21:00:35 2021 +0100

    Fortran: improve check of arguments to the RESHAPE intrinsic

    gcc/fortran/ChangeLog:

            PR fortran/103411
            * check.c (gfc_check_reshape): Improve check of size of source
            array for the RESHAPE intrinsic against the given shape when pad
            is not given, and shape is a parameter.  Try other simplifications
            of shape.

    gcc/testsuite/ChangeLog:

            PR fortran/103411
            * gfortran.dg/pr68153.f90: Adjust test to improved check.
            * gfortran.dg/reshape_7.f90: Likewise.
            * gfortran.dg/reshape_9.f90: New test.

    (cherry picked from commit 4d540c7a4a7fb87b04d06e1ee7f9b004116279a4)

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Harald Anlauf
<anlauf@gcc.gnu.org>:

https://gcc.gnu.org/g:263826d6f52d1cc3611554ba0e131347e874aebf

commit r10-10332-g263826d6f52d1cc3611554ba0e131347e874aebf
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Fri Nov 26 21:00:35 2021 +0100

    Fortran: improve check of arguments to the RESHAPE intrinsic

    gcc/fortran/ChangeLog:

            PR fortran/103411
            * check.c (gfc_check_reshape): Improve check of size of source
            array for the RESHAPE intrinsic against the given shape when pad
            is not given, and shape is a parameter.  Try other simplifications
            of shape.

    gcc/testsuite/ChangeLog:

            PR fortran/103411
            * gfortran.dg/pr68153.f90: Adjust test to improved check.
            * gfortran.dg/reshape_7.f90: Likewise.
            * gfortran.dg/reshape_9.f90: New test.

    (cherry picked from commit 4d540c7a4a7fb87b04d06e1ee7f9b004116279a4)

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from anlauf at gcc dot gnu.org ---
Fixed on mainline for gcc-12, and on 11- and 10-branch.  Closing.

Thanks for the report!

[Bug fortran/103411] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6377

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103411

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |10.4
      Known to fail|                            |10.3.0, 11.2.0
      Known to work|                            |10.3.1, 11.2.1, 12.0