[Bug fortran/54263] New: C_F_POINTER wrongly accepts a SHAPE= for scalar pointers

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* [Bug fortran/54263] New: C_F_POINTER wrongly accepts a SHAPE= for scalar pointers
@ 2012-08-14 21:13 burnus at gcc dot gnu.org
  2012-08-15  8:28 ` [Bug fortran/54263] " burnus at gcc dot gnu.org
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: burnus at gcc dot gnu.org @ 2012-08-14 21:13 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54263

             Bug #: 54263
           Summary: C_F_POINTER wrongly accepts a SHAPE= for scalar
                    pointers
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: accepts-invalid
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: burnus@gcc.gnu.org


C_F_POINTER wrongly accepts a SHAPE= for scalar pointers

use iso_c_binding
type(c_ptr) :: cp
integer, pointer :: p
call c_f_pointer (cp, p, shape=[2])
end


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug fortran/54263] C_F_POINTER wrongly accepts a SHAPE= for scalar pointers
  2012-08-14 21:13 [Bug fortran/54263] New: C_F_POINTER wrongly accepts a SHAPE= for scalar pointers burnus at gcc dot gnu.org
@ 2012-08-15  8:28 ` burnus at gcc dot gnu.org
  2013-03-25 15:54 ` burnus at gcc dot gnu.org
  2013-03-25 17:51 ` burnus at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: burnus at gcc dot gnu.org @ 2012-08-15  8:28 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54263

Tobias Burnus <burnus at gcc dot gnu.org> changed:

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

--- Comment #1 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-08-15 08:28:10 UTC ---
Something like the following should do.

--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -3544,3 +3547,12 @@ gfc_iso_c_sub_interface (gfc_code *c, gfc_symbol *sym)
          gfc_procedure_use() (called above to sort actual args).  */
-          if (c->ext.actual->next->expr->rank != 0)
+          if (c->ext.actual->next->next
+          && c->ext.actual->next->next->expr
+          && c->ext.actual->next->expr->rank == 0)
+        {
+          gfc_error ("Unexpected SHAPE argument at %L with scalar FPTR "
+                 "in call to C_F_POINTER",
+                 &c->ext.actual->next->next->expr->where);
+          m = MATCH_ERROR;
+        }
+          else if (c->ext.actual->next->expr->rank != 0)
         {


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug fortran/54263] C_F_POINTER wrongly accepts a SHAPE= for scalar pointers
  2012-08-14 21:13 [Bug fortran/54263] New: C_F_POINTER wrongly accepts a SHAPE= for scalar pointers burnus at gcc dot gnu.org
  2012-08-15  8:28 ` [Bug fortran/54263] " burnus at gcc dot gnu.org
@ 2013-03-25 15:54 ` burnus at gcc dot gnu.org
  2013-03-25 17:51 ` burnus at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: burnus at gcc dot gnu.org @ 2013-03-25 15:54 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54263

Tobias Burnus <burnus at gcc dot gnu.org> changed:

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

--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> 2013-03-25 15:54:11 UTC ---
Author: burnus
Date: Mon Mar 25 15:40:26 2013
New Revision: 197053

URL: http://gcc.gnu.org/viewcvs?rev=197053&root=gcc&view=rev
Log:
2013-03-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/38536
        PR fortran/38813
        PR fortran/38894
        PR fortran/39288
        PR fortran/40963
        PR fortran/45824
        PR fortran/47023
        PR fortran/47034
        PR fortran/49023
        PR fortran/50269
        PR fortran/50612
        PR fortran/52426
        PR fortran/54263
        PR fortran/55343
        PR fortran/55444
        PR fortran/55574
        PR fortran/56079
        PR fortran/56378
        * check.c (gfc_var_strlen): Properly handle 0-sized string.
        (gfc_check_c_sizeof): Use is_c_interoperable, add checks.
        (is_c_interoperable, gfc_check_c_associated, gfc_check_c_f_pointer,
        gfc_check_c_f_procpointer, gfc_check_c_funloc, gfc_check_c_loc): New
        functions.
        * expr.c (check_inquiry): Add c_sizeof, compiler_version and
        compiler_options.
        (gfc_check_pointer_assign): Refine function result check.
        gfortran.h (gfc_isym_id): Add GFC_ISYM_C_ASSOCIATED,
        GFC_ISYM_C_F_POINTER, GFC_ISYM_C_F_PROCPOINTER, GFC_ISYM_C_FUNLOC,
        GFC_ISYM_C_LOC.
        (iso_fortran_env_symbol, iso_c_binding_symbol): Handle
        NAMED_SUBROUTINE.
        (generate_isocbinding_symbol): Update prototype.
        (get_iso_c_sym): Remove.
        (gfc_isym_id_by_intmod, gfc_isym_id_by_intmod_sym): New prototypes.
        * intrinsic.c (gfc_intrinsic_subroutine_by_id): New function.
        (gfc_intrinsic_sub_interface): Use it.
        (add_functions, add_subroutines): Add missing C-binding intrinsics.
        (gfc_intrinsic_func_interface): Add special case for c_loc.
        gfc_isym_id_by_intmod, gfc_isym_id_by_intmod_sym): New functions.
        (gfc_intrinsic_func_interface, gfc_intrinsic_sub_interface): Use them.
        * intrinsic.h (gfc_check_c_associated, gfc_check_c_f_pointer,
        gfc_check_c_f_procpointer, gfc_check_c_funloc, gfc_check_c_loc,
        gfc_resolve_c_loc, gfc_resolve_c_funloc): New prototypes.
        * iresolve.c (gfc_resolve_c_loc, gfc_resolve_c_funloc): New
        functions.
        * iso-c-binding.def: Split PROCEDURE into NAMED_SUBROUTINE and
        NAMED_FUNCTION.
        * iso-fortran-env.def: Add NAMED_SUBROUTINE for completeness.
        * module.c (create_intrinsic_function): Support subroutines and
        derived-type results.
        (use_iso_fortran_env_module): Update calls.
        (import_iso_c_binding_module): Ditto; update calls to
        generate_isocbinding_symbol.
        * resolve.c (find_arglists): Skip for intrinsic symbols.
        (gfc_resolve_intrinsic): Find intrinsic subs via id.
        (is_scalar_expr_ptr, gfc_iso_c_func_interface,
        set_name_and_label, gfc_iso_c_sub_interface): Remove.
        (resolve_function, resolve_specific_s0): Remove calls to those.
        (resolve_structure_cons): Fix handling.
        * symbol.c (gen_special_c_interop_ptr): Update c_ptr/c_funptr
        generation.
        (gen_cptr_param, gen_fptr_param, gen_shape_param,
        build_formal_args, get_iso_c_sym): Remove.
        (std_for_isocbinding_symbol): Handle NAMED_SUBROUTINE.
        (generate_isocbinding_symbol): Support hidden symbols and
        using c_ptr/c_funptr symtrees for nullptr defs.
        * target-memory.c (gfc_target_encode_expr): Fix handling
        of c_ptr/c_funptr.
        * trans-expr.c (conv_isocbinding_procedure): Remove.
        (gfc_conv_procedure_call): Remove call to it.
        (gfc_trans_subcomponent_assign, gfc_conv_expr): Update handling
        of c_ptr/c_funptr.
        * trans-intrinsic.c (conv_isocbinding_function,
        conv_isocbinding_subroutine): New.
        (gfc_conv_intrinsic_function, gfc_conv_intrinsic_subroutine):
        Call them.
        * trans-io.c (transfer_expr): Fix handling of c_ptr/c_funptr.
        * trans-types.c (gfc_typenode_for_spec,
        gfc_get_derived_type): Ditto.
        (gfc_init_c_interop_kinds): Handle NAMED_SUBROUTINE.

2013-03-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/38536
        PR fortran/38813
        PR fortran/38894
        PR fortran/39288
        PR fortran/40963
        PR fortran/45824
        PR fortran/47023
        PR fortran/47034
        PR fortran/49023
        PR fortran/50269
        PR fortran/50612
        PR fortran/52426
        PR fortran/54263
        PR fortran/55343
        PR fortran/55444
        PR fortran/55574
        PR fortran/56079
        PR fortran/56378
        * gfortran.dg/c_assoc_2.f03: Update dg-error wording.
        * gfortran.dg/c_f_pointer_shape_test.f90: Ditto.
        * gfortran.dg/c_f_pointer_shape_tests_3.f03: Ditto.
        * gfortran.dg/c_f_pointer_tests_5.f90: Ditto.
        * gfortran.dg/c_funloc_tests_2.f03: Ditto.
        * gfortran.dg/c_funloc_tests_5.f03: Ditto.
        * gfortran.dg/c_funloc_tests_6.f90: Ditto.
        * gfortran.dg/c_loc_tests_10.f03: Add -std=f2008.
        * gfortran.dg/c_loc_tests_11.f03: Ditto, update dg-error.
        * gfortran.dg/c_loc_tests_16.f90: Ditto.
        * gfortran.dg/c_loc_tests_4.f03: Ditto.
        * gfortran.dg/c_loc_tests_15.f90: Update dg-error wording.
        * gfortran.dg/c_loc_tests_3.f03: Valid since F2003 TC5.
        * gfortran.dg/c_loc_tests_8.f03: Ditto.
        * gfortran.dg/c_ptr_tests_14.f90: Update scan-tree-dump-times.
        * gfortran.dg/c_ptr_tests_15.f90: Ditto.
        * gfortran.dg/c_sizeof_1.f90: Fix invalid code.
        * gfortran.dg/iso_c_binding_init_expr.f03: Update dg-error wording.
        * gfortran.dg/pr32601_1.f03: Ditto.
        * gfortran.dg/storage_size_2.f08: Remove dg-error.
        * gfortran.dg/blockdata_7.f90: New.
        * gfortran.dg/c_assoc_4.f90: New.
        * gfortran.dg/c_f_pointer_tests_6.f90: New.
        * gfortran.dg/c_f_pointer_tests_7.f90: New.
        * gfortran.dg/c_funloc_tests_8.f90: New.
        * gfortran.dg/c_loc_test_17.f90: New.
        * gfortran.dg/c_loc_test_18.f90: New.
        * gfortran.dg/c_loc_test_19.f90: New.
        * gfortran.dg/c_loc_test_20.f90: New.
        * gfortran.dg/c_sizeof_5.f90: New.
        * gfortran.dg/iso_c_binding_rename_3.f90: New.
        * gfortran.dg/transfer_resolve_2.f90: New.
        * gfortran.dg/transfer_resolve_3.f90: New.
        * gfortran.dg/transfer_resolve_4.f90: New.
        * gfortran.dg/pr32601.f03: Update dg-error.
        * gfortran.dg/c_ptr_tests_13.f03: Update dg-error.
        * gfortran.dg/c_ptr_tests_9.f03: Fix test case.


Added:
    trunk/gcc/testsuite/gfortran.dg/blockdata_7.f90
    trunk/gcc/testsuite/gfortran.dg/c_assoc_4.f90
    trunk/gcc/testsuite/gfortran.dg/c_f_pointer_tests_6.f90
    trunk/gcc/testsuite/gfortran.dg/c_f_pointer_tests_7.f90
    trunk/gcc/testsuite/gfortran.dg/c_funloc_tests_8.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_test_17.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_test_18.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_test_19.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_test_20.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_17.f90
    trunk/gcc/testsuite/gfortran.dg/c_sizeof_5.f90
    trunk/gcc/testsuite/gfortran.dg/iso_c_binding_rename_3.f90
    trunk/gcc/testsuite/gfortran.dg/transfer_resolve_2.f90
    trunk/gcc/testsuite/gfortran.dg/transfer_resolve_3.f90
    trunk/gcc/testsuite/gfortran.dg/transfer_resolve_4.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/check.c
    trunk/gcc/fortran/expr.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/intrinsic.c
    trunk/gcc/fortran/intrinsic.h
    trunk/gcc/fortran/iresolve.c
    trunk/gcc/fortran/iso-c-binding.def
    trunk/gcc/fortran/iso-fortran-env.def
    trunk/gcc/fortran/module.c
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/symbol.c
    trunk/gcc/fortran/target-memory.c
    trunk/gcc/fortran/trans-expr.c
    trunk/gcc/fortran/trans-intrinsic.c
    trunk/gcc/fortran/trans-io.c
    trunk/gcc/fortran/trans-types.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/c_assoc_2.f03
    trunk/gcc/testsuite/gfortran.dg/c_f_pointer_shape_test.f90
    trunk/gcc/testsuite/gfortran.dg/c_f_pointer_shape_tests_3.f03
    trunk/gcc/testsuite/gfortran.dg/c_f_pointer_tests_5.f90
    trunk/gcc/testsuite/gfortran.dg/c_funloc_tests_2.f03
    trunk/gcc/testsuite/gfortran.dg/c_funloc_tests_5.f03
    trunk/gcc/testsuite/gfortran.dg/c_funloc_tests_6.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_10.f03
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_11.f03
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_15.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_16.f90
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_3.f03
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_4.f03
    trunk/gcc/testsuite/gfortran.dg/c_loc_tests_8.f03
    trunk/gcc/testsuite/gfortran.dg/c_ptr_tests_13.f03
    trunk/gcc/testsuite/gfortran.dg/c_ptr_tests_14.f90
    trunk/gcc/testsuite/gfortran.dg/c_ptr_tests_15.f90
    trunk/gcc/testsuite/gfortran.dg/c_ptr_tests_9.f03
    trunk/gcc/testsuite/gfortran.dg/c_sizeof_1.f90
    trunk/gcc/testsuite/gfortran.dg/iso_c_binding_init_expr.f03
    trunk/gcc/testsuite/gfortran.dg/pr32601.f03
    trunk/gcc/testsuite/gfortran.dg/pr32601_1.f03
    trunk/gcc/testsuite/gfortran.dg/storage_size_2.f08


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug fortran/54263] C_F_POINTER wrongly accepts a SHAPE= for scalar pointers
  2012-08-14 21:13 [Bug fortran/54263] New: C_F_POINTER wrongly accepts a SHAPE= for scalar pointers burnus at gcc dot gnu.org
  2012-08-15  8:28 ` [Bug fortran/54263] " burnus at gcc dot gnu.org
  2013-03-25 15:54 ` burnus at gcc dot gnu.org
@ 2013-03-25 17:51 ` burnus at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: burnus at gcc dot gnu.org @ 2013-03-25 17:51 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54263

Tobias Burnus <burnus at gcc dot gnu.org> changed:

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

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> 2013-03-25 17:51:00 UTC ---
FIXED on the 4.9 trunk.


^ permalink raw reply	[flat|nested] 4+ messages in thread

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