Amend DataView, ArrayBuffer, and TypedArray methods to use ToIndex.

src/runtime/runtime-object.cc

 // Copyright 2014 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.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
@@ skipping 867 matching lines @@
 }
 
 
 RUNTIME_FUNCTION(Runtime_ToLength) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
   RETURN_RESULT_OR_FAILURE(isolate, Object::ToLength(isolate, input));
 }
 
+RUNTIME_FUNCTION(Runtime_ToIndex) {
+  HandleScope scope(isolate);
+  DCHECK_EQ(1, args.length());
+  CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
+  RETURN_RESULT_OR_FAILURE(isolate, Object::ToIndex(isolate, input));
+}

[Dan Ehrenberg, 2016/06/23 21:45:32]

I don't see anyone who calls %ToIndex. Why was the runtime function added?

[bakkot, 2016/06/28 23:41:07]

Removed.

 
 RUNTIME_FUNCTION(Runtime_ToString) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
   RETURN_RESULT_OR_FAILURE(isolate, Object::ToString(isolate, input));
 }
 
 
 RUNTIME_FUNCTION(Runtime_ToName) {
@@ skipping 92 matching lines @@
       isolate, o, key, &success, LookupIterator::OWN);
   if (!success) return isolate->heap()->exception();
   MAYBE_RETURN(
       JSReceiver::CreateDataProperty(&it, value, Object::THROW_ON_ERROR),
       isolate->heap()->exception());
   return *value;
 }
 
 }  // namespace internal
 }  // namespace v8