Fix mjsunit/compiler/concurrent-invalidate-transition-map.js test.

test/mjsunit/compiler/concurrent-invalidate-transition-map.js

Index: test/mjsunit/compiler/concurrent-invalidate-transition-map.js
diff --git a/test/mjsunit/compiler/concurrent-invalidate-transition-map.js b/test/mjsunit/compiler/concurrent-invalidate-transition-map.js
index 2a20790eaaa03e693fcc32d977b7de49fb2907eb..3f66f9c4b2d5312f1b3244bf4edbd7413b9d8640 100644
--- a/test/mjsunit/compiler/concurrent-invalidate-transition-map.js
+++ b/test/mjsunit/compiler/concurrent-invalidate-transition-map.js
@@ -43,9 +43,9 @@ function new_object() {
 function add_field(obj) {
   obj.c = 3;
 }
-
-add_field(new_object());
-add_field(new_object());
+var obj = new_object();
+add_field(obj);

[ulan, 2014/02/25 17:44:29]

If GC happens between the calls and there is no live instance of new_object then
then transition in add_field will be collected, so on the next call to add_field
the obj.c IC will not turn MONOMORPHIC.

+add_field(obj);
 %OptimizeFunctionOnNextCall(add_field, "concurrent");
 
 var o = new_object();