re PR fortran/44135 (Negative array bounds lead to spurious warning)

2010-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44135
	* gfortran.dg/actual_array_interface_2.f90: New test.

2010-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44135
	* fortran/interface.c (get_sym_storage_size): Use signed instead of
	unsigned mpz_get_?i routines.

From-SVN: r159415

gcc/fortran/ChangeLog

+2010-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/44135
+	* fortran/interface.c (get_sym_storage_size): Use signed instead of
+	unsigned mpz_get_?i routines.
+
 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
 
 	* trans.c (trans_code): Set backend locus early.

gcc/fortran/interface.c

@@ -1645,8 +1645,8 @@ get_sym_storage_size (gfc_symbol *sym)
 	  || sym->as->lower[i]->expr_type != EXPR_CONSTANT)
 	return 0;
 
-      elements *= mpz_get_ui (sym->as->upper[i]->value.integer)
-		  - mpz_get_ui (sym->as->lower[i]->value.integer) + 1L;
+      elements *= mpz_get_si (sym->as->upper[i]->value.integer)
+		  - mpz_get_si (sym->as->lower[i]->value.integer) + 1L;
     }
 
   return strlen*elements;

gcc/testsuite/ChangeLog

+2010-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/44135
+	* gfortran.dg/actual_array_interface_2.f90: New test.
+
 2010-05-14  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/44119

gcc/testsuite/gfortran.dg/actual_array_interface_2.f90

+! { dg-do compile }
+program gprogram
+   implicit none
+   real, dimension(-2:0) :: my_arr
+   call fill_array(my_arr)
+   contains
+      subroutine  fill_array(arr)
+         implicit none
+         real, dimension(-2:0), intent(out) :: arr
+         arr = 42
+      end subroutine fill_array
+end program gprogram
+