Fix representation requirement in HReturn.

test/mjsunit/regress-333594.js

Index: test/mjsunit/regress-333594.js
diff --git a/test/mjsunit/lithium/MathExp.js b/test/mjsunit/regress-333594.js
similarity index 86%
copy from test/mjsunit/lithium/MathExp.js
copy to test/mjsunit/regress-333594.js
index 854ff5fd7fd2a7a22bcc3557e4e2bb4c01d9b83f..6f6dbaafcd64d8b752226a290df525ca200b69a0 100644
--- a/test/mjsunit/lithium/MathExp.js
+++ b/test/mjsunit/regress-333594.js
@@ -1,4 +1,4 @@
-// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright 2014 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -27,13 +27,16 @@
 
 // Flags: --allow-natives-syntax
 
-function foo(x) {
-  return Math.exp(x);
-}
+var a = { x: 1.1 };
+a.x = 0;
+var G = a.x;
+var o = { x: {} };
 
-foo(12.3);
-var r1 = foo(12.3);
-%OptimizeFunctionOnNextCall(foo);
-var r2 = foo(12.3);
+function func() {
+  return {x: G};
+}
 
-assertEquals(r1, r2);
+func();
+func();
+%OptimizeFunctionOnNextCall(func);
+assertEquals(0, func().x);