re PR fortran/49624 (ICE with pointer-bound remapping)

2011-07-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49624
        * expr.c (gfc_check_pointer_assign): Fix checking for invalid
        pointer bounds.

2011-07-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49624
        * gfortran.dg/pointer_remapping_7.f90: New.

From-SVN: r176370

gcc/fortran/ChangeLog

+2011-07-17  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/49624
+	* expr.c (gfc_check_pointer_assign): Fix checking for invalid
+	pointer bounds.
+
 2011-07-16  Tobias Burnus  <burnus@net-b.de>
 	
 	* expr.c (gfc_ref_this_image): New function.

gcc/fortran/expr.c

@@ -3286,7 +3286,8 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue)
 	     upper bounds are present, we may do rank remapping.  */
 	  for (dim = 0; dim < ref->u.ar.dimen; ++dim)
 	    {
-	      if (!ref->u.ar.start[dim])
+	      if (!ref->u.ar.start[dim]
+		  || ref->u.ar.dimen_type[dim] != DIMEN_RANGE)
 		{
 		  gfc_error ("Lower bound has to be present at %L",
 			     &lvalue->where);

gcc/testsuite/ChangeLog

+2011-07-17  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/49624
+	* gfortran.dg/pointer_remapping_7.f90: New.
+
 2011-07-16  Jason Merrill  <jason@redhat.com>
 
 	* lib/prune.exp (prune_gcc_output): Prune "In substitution" too.

gcc/testsuite/gfortran.dg/pointer_remapping_7.f90

+! { dg-do compile }
+!
+! PR fortran/49624
+!
+  integer, target :: A(100)
+  integer,pointer :: P(:,:)
+  p(10,1:) => A  ! { dg-error "Lower bound has to be present" }
+  end