[Bug fortran/108529] New: [10/11/12/13 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[Bug fortran/108529] New: [10/11/12/13 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

            Bug ID: 108529
           Summary: [10/11/12/13 Regression] ICE in
                    transformational_result, at fortran/simplify.cc:478
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started between 20211031 and 20211107 :


$ cat z1.f90
program p
   integer, parameter :: a(*,*) = reshape([1, 2, 3, 4], [2, 2])
   logical, parameter :: b(2,*) = a > 2
   logical, parameter :: c(*) = all(b, 1)
end


$ cat z2.f90
program p
   integer, parameter :: a(*,*) = reshape([1, 2, 3, 4], [2, 2])
   logical, parameter :: b(*,*) = a > 2
   logical, parameter :: c(*) = all(b, 1)
   print *, c
end


$ gfortran-13-20230122 z2.f90 && ./a.out   # for reference only
 F T


$ gfortran-12-20211031 -c z1.f90
z1.f90:3:31:

    3 |    logical, parameter :: b(2,*) = a > 2
      |                               1
Error: Assumed size array at (1) must be a dummy argument


$ gfortran-13-20230122 -c z1.f90
f951: internal compiler error: Segmentation fault
0xf8a79f crash_signal
        ../../gcc/toplev.cc:314
0x8c98f5 __gmpz_get_ui
        /usr/include/gmp.h:1778
0x8c98f5 transformational_result
        ../../gcc/fortran/simplify.cc:478
0x8d0f09 simplify_transformation
        ../../gcc/fortran/simplify.cc:731
0x84cee6 do_simplify
        ../../gcc/fortran/intrinsic.cc:4670
0x857eaa gfc_intrinsic_func_interface(gfc_expr*, int)
        ../../gcc/fortran/intrinsic.cc:5056
0x8af508 resolve_unknown_f
        ../../gcc/fortran/resolve.cc:2990
0x8af508 resolve_function
        ../../gcc/fortran/resolve.cc:3347
0x8af508 gfc_resolve_expr(gfc_expr*)
        ../../gcc/fortran/resolve.cc:7195
0x83cb14 gfc_reduce_init_expr(gfc_expr*)
        ../../gcc/fortran/expr.cc:3168
0x83fa70 gfc_match_init_expr(gfc_expr**)
        ../../gcc/fortran/expr.cc:3216
0x82949b variable_decl
        ../../gcc/fortran/decl.cc:3036
0x82949b gfc_match_data_decl()
        ../../gcc/fortran/decl.cc:6343
0x897303 match_word
        ../../gcc/fortran/parse.cc:67
0x897303 decode_statement
        ../../gcc/fortran/parse.cc:378
0x898d4a next_free
        ../../gcc/fortran/parse.cc:1403
0x898d4a next_statement
        ../../gcc/fortran/parse.cc:1635
0x89a78b parse_spec
        ../../gcc/fortran/parse.cc:4191
0x89da8c parse_progunit
        ../../gcc/fortran/parse.cc:6262
0x89f191 gfc_parse_file()
        ../../gcc/fortran/parse.cc:6807

[Bug fortran/108529] [10/11/12/13 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |anlauf at gcc dot gnu.org
   Last reconfirmed|                            |2023-01-24
     Ever confirmed|0                           |1

--- Comment #1 from anlauf at gcc dot gnu.org ---
Potential fix:

diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc
index f413f132b3f..60f602ba57f 100644
--- a/gcc/fortran/simplify.cc
+++ b/gcc/fortran/simplify.cc
@@ -720,6 +720,7 @@ simplify_transformation (gfc_expr *array, gfc_expr *dim,
gfc_expr *mask,
   size_zero = gfc_is_size_zero_array (array);

   if (!(is_constant_array_expr (array) || size_zero)
+      || array->shape == NULL
       || !gfc_is_constant_expr (dim))
     return NULL;

[Bug fortran/108529] [10/11/12/13 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

--- Comment #2 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:6c96382eed96a9285611f2e3e2e59557094172b8

commit r13-5331-g6c96382eed96a9285611f2e3e2e59557094172b8
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Tue Jan 24 21:39:43 2023 +0100

    Fortran: ICE in transformational_result [PR108529]

    gcc/fortran/ChangeLog:

            PR fortran/108529
            * simplify.cc (simplify_transformation): Do not try to simplify
            transformational intrinsic when the ARRAY argument has a NULL
shape.

    gcc/testsuite/ChangeLog:

            PR fortran/108529
            * gfortran.dg/pr108529.f90: New test.

[Bug fortran/108529] [10/11/12/13 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |anlauf at gcc dot gnu.org
             Status|NEW                         |ASSIGNED
   Target Milestone|---                         |10.5

--- Comment #3 from anlauf at gcc dot gnu.org ---
Taking.

Fixed on mainline so far.

[Bug fortran/108529] [10/11/12/13 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P4

[Bug fortran/108529] [10/11/12 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[10/11/12/13 Regression]    |[10/11/12 Regression] ICE
                   |ICE in                      |in transformational_result,
                   |transformational_result, at |at fortran/simplify.cc:478
                   |fortran/simplify.cc:478     |

--- Comment #4 from anlauf at gcc dot gnu.org ---
Backporting depends at least on backporting the fix for pr106209.
I'll see whether this works out.

[Bug fortran/108529] [10/11/12 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Harald Anlauf
<anlauf@gcc.gnu.org>:

https://gcc.gnu.org/g:a8ef7eec0c323a8752ad5babde6e4add4f224898

commit r12-9080-ga8ef7eec0c323a8752ad5babde6e4add4f224898
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Tue Jan 24 21:39:43 2023 +0100

    Fortran: ICE in transformational_result [PR108529]

    gcc/fortran/ChangeLog:

            PR fortran/108529
            * simplify.cc (simplify_transformation): Do not try to simplify
            transformational intrinsic when the ARRAY argument has a NULL
shape.

    gcc/testsuite/ChangeLog:

            PR fortran/108529
            * gfortran.dg/pr108529.f90: New test.

    (cherry picked from commit 6c96382eed96a9285611f2e3e2e59557094172b8)

[Bug fortran/108529] [10/11/12 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

--- Comment #6 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:60032329cde87a7505b7784e1dcfb09574ee2e90

commit r11-10506-g60032329cde87a7505b7784e1dcfb09574ee2e90
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Tue Jan 24 21:39:43 2023 +0100

    Fortran: ICE in transformational_result [PR108529]

    gcc/fortran/ChangeLog:

            PR fortran/108529
            * simplify.c (simplify_transformation): Do not try to simplify
            transformational intrinsic when the ARRAY argument has a NULL
shape.

    gcc/testsuite/ChangeLog:

            PR fortran/108529
            * gfortran.dg/pr108529.f90: New test.

    (cherry picked from commit 6c96382eed96a9285611f2e3e2e59557094172b8)

[Bug fortran/108529] [10/11/12 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

--- Comment #7 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:b66a0f2fecb4dc1ac5960ff5d630ab8f672b4106

commit r10-11198-gb66a0f2fecb4dc1ac5960ff5d630ab8f672b4106
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Tue Jan 24 21:39:43 2023 +0100

    Fortran: ICE in transformational_result [PR108529]

    gcc/fortran/ChangeLog:

            PR fortran/108529
            * simplify.c (simplify_transformation): Do not try to simplify
            transformational intrinsic when the ARRAY argument has a NULL
shape.

    gcc/testsuite/ChangeLog:

            PR fortran/108529
            * gfortran.dg/pr108529.f90: New test.

    (cherry picked from commit 6c96382eed96a9285611f2e3e2e59557094172b8)

[Bug fortran/108529] [10/11/12 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

anlauf at gcc dot gnu.org changed:

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

--- Comment #8 from anlauf at gcc dot gnu.org ---
Fixed on all open branches.  Closing.

Thanks for the report!