Fix embedded new-space pointer in LCmpObjectEqAndBranch.

test/mjsunit/regress/regress-crbug-240032.js

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 // Flags: --allow-natives-syntax
 
-var do_set = false;
+// Generate closures in that live in new-space.
+function mk() {
+  return function() {};
+}
+assertInstanceof(mk(), Function);
+assertInstanceof(mk(), Function);
 
-function set_proto_elements() {
-  try {} catch (e) {}  // Don't optimize or inline
-  if (do_set) Array.prototype[1] = 1.5;
+// Setup constant function using above closures.
+var o = {};
+o.func = mk();
+
+// Optimize object comparison with new-space RHS.
+function cmp(o, f) {
+  return f === o.func;
 }
-
-function f(a, i) {
-  set_proto_elements();
-  return a[i] + 0.5;
-}
-
-var arr = [0.0,,2.5];
-assertEquals(0.5, f(arr, 0));
-assertEquals(0.5, f(arr, 0));
-%OptimizeFunctionOnNextCall(f);
-assertEquals(0.5, f(arr, 0));
-do_set = true;
-assertEquals(2, f(arr, 1));
-
+assertTrue(cmp(o, o.func));
+assertTrue(cmp(o, o.func));
+%OptimizeFunctionOnNextCall(cmp);
+assertTrue(cmp(o, o.func));