re PR fortran/53655 ([F03] "default initializer" warnings)

2013-08-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/53655
	* trans-decl.c (generate_local_decl): Check if type has any components.

2013-08-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/53655
	* gfortran.dg/intent_out_8.f90: New.

From-SVN: r201884

gcc/fortran/ChangeLog

+2013-08-20  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/53655
+	* trans-decl.c (generate_local_decl): Check if type has any components.
+
 2013-08-19  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/46271

gcc/fortran/trans-decl.c

@@ -4745,7 +4745,8 @@ generate_local_decl (gfc_symbol * sym)
 		gfc_warning ("Dummy argument '%s' at %L was declared "
 			     "INTENT(OUT) but was not set",  sym->name,
 			     &sym->declared_at);
-	      else if (!gfc_has_default_initializer (sym->ts.u.derived))
+	      else if (!gfc_has_default_initializer (sym->ts.u.derived)
+		       && !sym->ts.u.derived->attr.zero_comp)
 		gfc_warning ("Derived-type dummy argument '%s' at %L was "
 			     "declared INTENT(OUT) but was not set and "
 			     "does not have a default initializer",

gcc/testsuite/ChangeLog

+2013-08-20  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/53655
+	* gfortran.dg/intent_out_8.f90: New.
+
 2013-08-20  Teresa Johnson  <tejohnson@google.com>
 
 	PR rtl-optimizations/57451

gcc/testsuite/gfortran.dg/intent_out_8.f90

+! { dg-do compile }
+! { dg-options "-Wall" }
+!
+! PR 53655: [F03] "default initializer" warnings
+!
+! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
+
+type t
+end type t
+
+contains
+
+  subroutine foo(x)
+    type(t), intent(out) :: x
+  end subroutine
+
+end