http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55905



janus at gcc dot gnu.org changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

             Status|UNCONFIRMED                 |NEW

   Last reconfirmed|                            |2013-01-10

                 CC|                            |janus at gcc dot gnu.org

            Summary|ICE for polymorphic dummy   |[OOP] [F008] ICE for

                   |argument with an            |polymorphic dummy argument

                   |allocatable coarray         |with an allocatable coarray

                   |component                   |component

     Ever Confirmed|0                           |1



--- Comment #1 from janus at gcc dot gnu.org 2013-01-10 08:30:35 UTC ---

I can confirm it with:



gcc version 4.8.0 20130105 (experimental) [trunk revision 194927] (GCC)



I get the following backtrace:



0xb0d96d crash_signal

        /home/jweil/gcc48/trunk/gcc/toplev.c:334

0x616b10 tree_class_check(tree_node*, tree_code_class, char const*,

int, char const*)

        /home/jweil/gcc48/trunk/gcc/tree.h:3793

0x64366a duplicate_allocatable

        /home/jweil/gcc48/trunk/gcc/fortran/trans-array.c:7334

0x6439cf gfc_duplicate_allocatable(tree_node*, tree_node*, tree_node*, int)

        /home/jweil/gcc48/trunk/gcc/fortran/trans-array.c:7396

0x644d00 structure_alloc_comps

        /home/jweil/gcc48/trunk/gcc/fortran/trans-array.c:7738

0x644ee2 gfc_copy_alloc_comp(gfc_symbol*, tree_node*, tree_node*, int)

        /home/jweil/gcc48/trunk/gcc/fortran/trans-array.c:7790

0x6741e9 gfc_trans_scalar_assign(gfc_se*, gfc_se*, gfc_typespec, bool,

bool, bool)

        /home/jweil/gcc48/trunk/gcc/fortran/trans-expr.c:6841

0x676cf7 gfc_trans_assignment_1

        /home/jweil/gcc48/trunk/gcc/fortran/trans-expr.c:7757

0x677342 gfc_trans_assignment(gfc_expr*, gfc_expr*, bool, bool)

        /home/jweil/gcc48/trunk/gcc/fortran/trans-expr.c:7915

0x677372 gfc_trans_init_assign(gfc_code*)

        /home/jweil/gcc48/trunk/gcc/fortran/trans-expr.c:7921







4.7 gives:



c0.f90:7.19:



    class(foo) this

                   1

Error: Component '_def_init' at (1) with coarray component shall be a

nonpointer, nonallocatable scalar

c0.f90:7.19:



    class(foo) this

                   1

Error: Variable 'dst' at (1) is INTENT(OUT) and can thus not be an allocatable

coarray or have coarray components

c0.f90:7.19:



    class(foo) this

                   1

Error: Component '_def_init' at (1) with coarray component shall be a

nonpointer, nonallocatable scalar

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