Wrap runtime.js in a function.

src/harmony-typedarray.js

Index: src/harmony-typedarray.js
diff --git a/src/harmony-typedarray.js b/src/harmony-typedarray.js
index 6a69608ede60e2da5718a147627bb2eaad2fba3c..9b7cd0debf7f3dc1938b89ab2d18eecb6ef0d155 100644
--- a/src/harmony-typedarray.js
+++ b/src/harmony-typedarray.js
@@ -55,7 +55,7 @@ function NAMEForEach(f /* thisArg */) {  // length == 1
     var element = this[i];
     // Prepare break slots for debugger step in.
     if (stepping) %DebugPrepareStepInIfStepping(f);
-    var new_receiver = needs_wrapper ? ToObject(receiver) : receiver;
+    var new_receiver = needs_wrapper ? $toObject(receiver) : receiver;
     %_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f);
   }
 }