Added missing property types to debug print.

Review URL: http://codereview.chromium.org/18405

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1109 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects-debug.cc

@@ -281,6 +281,10 @@ void JSObject::PrintProperties() {
         PrintF(" (callback)\n");
       } else if (r.type() == MAP_TRANSITION) {
         PrintF(" (map transition)\n");
+      } else if (r.type() == CONSTANT_TRANSITION) {
+        PrintF(" (constant transition)\n");
+      } else if (r.type() == NULL_DESCRIPTOR) {
+        PrintF(" (null descriptor)\n");
       } else {
         UNREACHABLE();
       }