Reland v8:18458 "Load the global proxy from the context of the target function."

test/mjsunit/harmony/proxies-function.js

 // Copyright 2011 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:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 35 matching lines @@
 
 
 // Calling (call, Function.prototype.call, Function.prototype.apply,
 //          Function.prototype.bind).
 
 var global_object = this
 var receiver
 
 function TestCall(isStrict, callTrap) {
   assertEquals(42, callTrap(5, 37))
-  // TODO(rossberg): strict mode seems to be broken on x64...
-  // assertSame(isStrict ? undefined : global_object, receiver)
+  assertSame(isStrict ? undefined : global_object, receiver)
 
   var handler = {
     get: function(r, k) {
       return k == "length" ? 2 : Function.prototype[k]
     }
   }
   var f = Proxy.createFunction(handler, callTrap)
   var o = {f: f}
   global_object.f = f
 
   receiver = 333
   assertEquals(42, f(11, 31))
-  // TODO(rossberg): strict mode seems to be broken on x64...
-  // assertSame(isStrict ? undefined : global_object, receiver)
+  assertSame(isStrict ? undefined : global_object, receiver)
   receiver = 333
   assertEquals(42, o.f(10, 32))
   assertSame(o, receiver)
   receiver = 333
   assertEquals(42, o["f"](9, 33))
   assertSame(o, receiver)
   receiver = 333
   assertEquals(42, (1, o).f(8, 34))
   assertSame(o, receiver)
   receiver = 333
@@ skipping 657 matching lines @@
             }
           }
         }
       }
     }
   }
 }
 
 TestCalls()
 */
+
+var realms = [Realm.create(), Realm.create()];
+Realm.shared = {};
+
+Realm.eval(realms[0], "function f() { return this; };");
+Realm.eval(realms[0], "Realm.shared.f = f;");
+Realm.eval(realms[0], "Realm.shared.fg = this;");
+Realm.eval(realms[1], "function g() { return this; };");
+Realm.eval(realms[1], "Realm.shared.g = g;");
+Realm.eval(realms[1], "Realm.shared.gg = this;");
+
+var fp = Proxy.createFunction({}, Realm.shared.f);
+var gp = Proxy.createFunction({}, Realm.shared.g);
+
+for (var i = 0; i < 10; i++) {
+  assertEquals(Realm.shared.fg, fp());
+  assertEquals(Realm.shared.gg, gp());
+
+  with (this) {
+    assertEquals(Realm.shared.fg, fp());
+    assertEquals(Realm.shared.gg, gp());
+  }
+
+  with ({}) {
+    assertEquals(Realm.shared.fg, fp());
+    assertEquals(Realm.shared.gg, gp());
+  }
+}