[Isolates] Merge crankshaft (r5922 from bleeding_edge).

test/mjsunit/compiler/assignment.js

Index: test/mjsunit/compiler/assignment.js
diff --git a/test/mjsunit/compiler/assignment.js b/test/mjsunit/compiler/assignment.js
index 6aded4e9c99aa8d60264c4c3424e3636efdb03db..1f3f28221bd9bca8fdc72975d72df10e75d4a1c5 100644
--- a/test/mjsunit/compiler/assignment.js
+++ b/test/mjsunit/compiler/assignment.js
@@ -264,6 +264,13 @@ function bar_loop() {
 bar_loop();
 
 
+// Test assignment in test context.
+function test_assign(x, y) { if (x = y) return x; }
+
+assertEquals(42, test_assign(0, 42));
+
+assertEquals("undefined", typeof test_assign(42, 0));
+
 // Test for assignment using a keyed store ic:
 function store_i_in_element_i_of_object_i() {
   var i = new Object();