Becuase of cross-context calls, hydrogen-based Array constructor needs to ensure

test/mjsunit/allocation-site-info.js

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@@ skipping 266 matching lines @@
       a[0] = value;
       return a;
     }
 
     obj = newarraycase_list_smiobj(1);
     assertKind(elements_kind.fast_smi_only, obj);
     obj = newarraycase_list_smiobj("coates");
     assertKind(elements_kind.fast, obj);
     obj = newarraycase_list_smiobj(2);
     assertKind(elements_kind.fast, obj);
+
+    // Verify that cross context calls work
+    var realmA = Realm.current();
+    var realmB = Realm.create();
+    assertEquals(0, realmA);
+    assertEquals(1, realmB);
+
+    var realmBArray = Realm.eval(realmB, "Array");
+    assertTrue(new Array() instanceof Array);
+    assertTrue(new Array(5) instanceof Array);
+    assertTrue(new Array(1,2,3) instanceof Array);
+    assertTrue(new realmBArray() instanceof realmBArray);
+    assertTrue(new realmBArray(5) instanceof realmBArray);
+    assertTrue(new realmBArray(1,2,3) instanceof realmBArray);

[Toon Verwaest, 2013/05/07 11:02:06]

Please add another test that checks the optimized instantiate behavior.

[mvstanton, 2013/05/07 12:40:50]

Done.

   }
 }