[runtime] Adding more detailed error message for Object::GetMethod.

src/js/weak-collection.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 20 matching lines @@
 function WeakMapConstructor(iterable) {
   if (IS_UNDEFINED(new.target)) {
     throw MakeTypeError(kConstructorNotFunction, "WeakMap");
   }
 
   %WeakCollectionInitialize(this);
 
   if (!IS_NULL_OR_UNDEFINED(iterable)) {
     var adder = this.set;
     if (!IS_CALLABLE(adder)) {
-      throw MakeTypeError(kPropertyNotFunction, 'set', this);
+      throw MakeTypeError(kPropertyNotFunction, adder, 'set', this);
     }
     for (var nextItem of iterable) {
       if (!IS_SPEC_OBJECT(nextItem)) {
         throw MakeTypeError(kIteratorValueNotAnObject, nextItem);
       }
       %_Call(adder, this, nextItem[0], nextItem[1]);
     }
   }
 }
 
@@ skipping 68 matching lines @@
 function WeakSetConstructor(iterable) {
   if (IS_UNDEFINED(new.target)) {
     throw MakeTypeError(kConstructorNotFunction, "WeakSet");
   }
 
   %WeakCollectionInitialize(this);
 
   if (!IS_NULL_OR_UNDEFINED(iterable)) {
     var adder = this.add;
     if (!IS_CALLABLE(adder)) {
-      throw MakeTypeError(kPropertyNotFunction, 'add', this);
+      throw MakeTypeError(kPropertyNotFunction, adder, 'add', this);
     }
     for (var value of iterable) {
       %_Call(adder, this, value);
     }
   }
 }
 
 
 function WeakSetAdd(value) {
   if (!IS_WEAKSET(this)) {
@@ skipping 40 matching lines @@
                   DONT_ENUM | READ_ONLY);
 
 // Set up the non-enumerable functions on the WeakSet prototype object.
 utils.InstallFunctions(GlobalWeakSet.prototype, DONT_ENUM, [
   "add", WeakSetAdd,
   "has", WeakSetHas,
   "delete", WeakSetDelete
 ]);
 
 })