decl.c (gfc_verify_c_interop_param): Allow assumed-shape with -std=f2008ts.

2012-07-20  Tobias Burnus  <burnus@net-b.de>

        * decl.c (gfc_verify_c_interop_param): Allow assumed-shape
        with -std=f2008ts.

2012-07-20  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/bind_c_array_params_2.f90: New.
        * gfortran.dg/bind_c_array_params.f03: Add -std=f2003
        and update dg-error.

From-SVN: r189726

gcc/fortran/ChangeLog

 2012-07-20  Tobias Burnus  <burnus@net-b.de>
 
+	* decl.c (gfc_verify_c_interop_param): Allow assumed-shape
+	with -std=f2008ts.
+
+2012-07-20  Tobias Burnus  <burnus@net-b.de>
+
 	PR fortran/48820
 	* array.c (match_array_element_spec, gfc_match_array_spec,
 	spec_size, gfc_array_dimen_size): Add support for

gcc/fortran/decl.c

@@ -1095,29 +1095,15 @@ gfc_verify_c_interop_param (gfc_symbol *sym)
 	    retval = FAILURE;
 
           /* Make sure that if it has the dimension attribute, that it is
-	     either assumed size or explicit shape.  */
-	  if (sym->as != NULL)
-	    {
-	      if (sym->as->type == AS_ASSUMED_SHAPE)
-		{
-		  gfc_error ("Assumed-shape array '%s' at %L cannot be an "
-			     "argument to the procedure '%s' at %L because "
-			     "the procedure is BIND(C)", sym->name,
-			     &(sym->declared_at), sym->ns->proc_name->name,
-			     &(sym->ns->proc_name->declared_at));
-		  retval = FAILURE;
-		}
-
-	      if (sym->as->type == AS_DEFERRED)
-		{
-		  gfc_error ("Deferred-shape array '%s' at %L cannot be an "
-			     "argument to the procedure '%s' at %L because "
-			     "the procedure is BIND(C)", sym->name,
-			     &(sym->declared_at), sym->ns->proc_name->name,
- 			     &(sym->ns->proc_name->declared_at));
-		  retval = FAILURE;
-		}
-	  }
+	     either assumed size or explicit shape. Deferred shape is already
+	     covered by the pointer/allocatable attribute.  */
+	  if (sym->as != NULL && sym->as->type == AS_ASSUMED_SHAPE
+	      && gfc_notify_std (GFC_STD_F2008_TS, "Assumed-shape array '%s' "
+			      "at %L as dummy argument to the BIND(C) "
+			      "procedure '%s' at %L", sym->name,
+			      &(sym->declared_at), sym->ns->proc_name->name,
+			      &(sym->ns->proc_name->declared_at)) == FAILURE)
+	    retval = FAILURE;
 	}
     }
 

gcc/testsuite/ChangeLog

 2012-07-20  Tobias Burnus  <burnus@net-b.de>
 
+	* gfortran.dg/bind_c_array_params_2.f90: New.
+	* gfortran.dg/bind_c_array_params.f03: Add -std=f2003
+	and update dg-error.
+
+2012-07-20  Tobias Burnus  <burnus@net-b.de>
+
 	* gfortran.dg/assumed_rank_12.f90: Update dg-error.
 
 2012-07-20  Jason Merrill  <jason@redhat.com>

gcc/testsuite/gfortran.dg/bind_c_array_params.f03

 ! { dg-do compile }
+! { dg-options "-std=f2003" }
 module bind_c_array_params
 use, intrinsic :: iso_c_binding
 implicit none
 
 contains
-  subroutine sub0(assumed_array) bind(c) ! { dg-error "cannot be an argument" }
+  subroutine sub0(assumed_array) bind(c) ! { dg-error "TS 29113: Assumed-shape array 'assumed_array' at .1. as dummy argument to the BIND.C. procedure 'sub0'" }
     integer(c_int), dimension(:) :: assumed_array
   end subroutine sub0
 

gcc/testsuite/gfortran.dg/bind_c_array_params_2.f90

+! { dg-do compile }
+! { dg-options "-std=f2008ts -fdump-tree-original" }
+!
+! Check that assumed-shape variables are correctly passed to BIND(C)
+! as defined in TS 29913
+! 
+interface
+  subroutine test (xx) bind(C, name="myBindC")
+    type(*), dimension(:,:) :: xx
+  end subroutine test
+end interface
+
+integer :: aa(4,4)
+call test(aa)
+end
+
+! { dg-final { scan-tree-dump-times "test \\\(&parm\\." 1 "original" } }
+! { dg-final { scan-assembler-times "myBindC" 1 } }
+