[runtime] Replace many buggy uses of %_CallFunction with %_Call.

src/weak-collection.js

Index: src/weak-collection.js
diff --git a/src/weak-collection.js b/src/weak-collection.js
index 67deddb95ee57491b585bf8d1f0cebe4be800d3d..1c60a2f47a695b19f69b2ea4fc2c1a1486b9002e 100644
--- a/src/weak-collection.js
+++ b/src/weak-collection.js
@@ -32,7 +32,7 @@ function WeakMapConstructor(iterable) {
       if (!IS_SPEC_OBJECT(nextItem)) {
         throw MakeTypeError(kIteratorValueNotAnObject, nextItem);
       }
-      %_CallFunction(this, nextItem[0], nextItem[1], adder);
+      %_Call(adder, this, nextItem[0], nextItem[1]);
     }
   }
 }
@@ -118,7 +118,7 @@ function WeakSetConstructor(iterable) {
       throw MakeTypeError(kPropertyNotFunction, 'add', this);
     }
     for (var value of iterable) {
-      %_CallFunction(this, value, adder);
+      %_Call(adder, this, value);
     }
   }
 }