PR ld/11583

* ldexp.c (exp_fold_tree_1): If assignment source expression is
	invalid, make the destination symbol undefined.

ld/ChangeLog

@@ -1,3 +1,9 @@
+2010-05-14  Alan Modra  <amodra@gmail.com>
+
+	PR ld/11583
+	* ldexp.c (exp_fold_tree_1): If assignment source expression is
+	invalid, make the destination symbol undefined.
+
 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
 
 	* emultempl/pe.em (gld_${EMULATION_NAME}_before_parse):

ld/ldexp.c

@@ -830,6 +830,14 @@ exp_fold_tree_1 (etree_type *tree)
 						    hsrc);
 		}
 	    }
+	  else if (expld.phase == lang_final_phase_enum)
+	    {
+	      h = bfd_link_hash_lookup (link_info.hash, tree->assign.dst,
+					FALSE, FALSE, TRUE);
+	      if (h != NULL
+		  && h->type == bfd_link_hash_new)
+		h->type = bfd_link_hash_undefined;
+	    }
 	}
       break;