objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as always referenced.

2004-07-09  Andrew Pinski  <apinski@apple.com>

        * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
        always referenced.
        (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
        UOBJC_METACLASS_decl.

From-SVN: r84419

gcc/ChangeLog

+2004-07-09  Andrew Pinski  <apinski@apple.com>
+
+	* objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
+	always referenced.
+	(synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
+	UOBJC_METACLASS_decl.
+
 2004-07-09  James E Wilson  <wilson@specifixinc.com>
 
 	PR target/16364
 	* config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
 	do return a parallel if hfa_mode == XFmode and mode == TImode.
 
-2004-07-09 Jan Beulich <jbeulich@novell.com>
+2004-07-09  Jan Beulich  <jbeulich@novell.com>
 
 	* c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
 	permissible for unary plus.
 
-2004-07-09 Jan Beulich <jbeulich@novell.com>
+2004-07-09  Jan Beulich  <jbeulich@novell.com>
 
 	* builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
 	(BT_FN_UINT): Rename from BT_FN_UNSIGNED.

gcc/objc/objc-act.c

@@ -1864,6 +1864,8 @@ build_module_descriptor (void)
 
   /* Mark the decl to avoid "defined but not used" warning.  */
   DECL_IN_SYSTEM_HEADER (UOBJC_MODULES_decl) = 1;
+  
+  mark_decl_referenced (UOBJC_MODULES_decl);
 
   /* Generate a constructor call for the module descriptor.
      This code was generated by reading the grammar rules
@@ -4210,6 +4212,9 @@ synth_forward_declarations (void)
   /* static struct objc_class _OBJC_METACLASS_<my_name>; */
   UOBJC_METACLASS_decl = build_metadata_decl ("_OBJC_METACLASS",
 						  objc_class_template);
+						  
+  mark_decl_referenced (UOBJC_CLASS_decl);
+  mark_decl_referenced (UOBJC_METACLASS_decl);
 
   /* Pre-build the following entities - for speed/convenience.  */