[multiple changes]

2008-07-12  Daniel Kraft  <d@domob.eu>

	* resolve.c (resolve_fl_derived):  Allow pointer components to empty
	derived types fixing a missing part of PR fortran/33221.

2008-06-22  Daniel Kraft  <d@domob.eu>

	* gfortran.dg/used_types_21.f90:  New test.

From-SVN: r137737

gcc/fortran/ChangeLog

+2008-07-12  Daniel Kraft  <d@domob.eu>
+
+	* resolve.c (resolve_fl_derived):  Allow pointer components to empty
+	derived types fixing a missing part of PR fortran/33221.
+
 2008-07-10  Daniel Kraft  <d@domob.eu>
 
 	* gfc-internals.texi (section gfc_expr):  Created documentation about

gcc/fortran/resolve.c

@@ -7657,7 +7657,8 @@ resolve_fl_derived (gfc_symbol *sym)
 	}
 
       if (c->ts.type == BT_DERIVED && c->pointer
-	  && c->ts.derived->components == NULL)
+	  && c->ts.derived->components == NULL
+	  && !c->ts.derived->attr.zero_comp)
 	{
 	  gfc_error ("The pointer component '%s' of '%s' at %L is a type "
 		     "that has not been declared", c->name, sym->name,

gcc/testsuite/ChangeLog

+2008-06-22  Daniel Kraft  <d@domob.eu>
+
+	* gfortran.dg/used_types_21.f90:  New test.
+
 2008-07-11  Ian Lance Taylor  <iant@google.com>
 
 	* gcc.dg/Wcxx-compat-2.c: New test.

gcc/testsuite/gfortran.dg/used_types_21.f90

+! { dg-do compile }
+! Check that pointer components are allowed to empty types.
+
+TYPE :: empty_t
+END TYPE empty_t
+
+TYPE :: comp_t
+  TYPE(empty_t), POINTER :: ptr
+END TYPE comp_t
+
+END