1 files changed, 18 insertions, 37 deletions

diff --git a/chromium/v8/src/func-name-inferrer.cc b/chromium/v8/src/func-name-inferrer.cc
index 5409a4e1800..a3c2f08ae7a 100644
--- a/chromium/v8/src/func-name-inferrer.cc
+++ b/chromium/v8/src/func-name-inferrer.cc
@@ -1,35 +1,12 @@
 // 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "v8.h"
-
-#include "ast.h"
-#include "func-name-inferrer.h"
-#include "list-inl.h"
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/v8.h"
+
+#include "src/ast.h"
+#include "src/func-name-inferrer.h"
+#include "src/list-inl.h"
 
 namespace v8 {
 namespace internal {
@@ -55,14 +32,16 @@ void FuncNameInferrer::PushEnclosingName(Handle<String> name) {
 
 
 void FuncNameInferrer::PushLiteralName(Handle<String> name) {
-  if (IsOpen() && !isolate()->heap()->prototype_string()->Equals(*name)) {
+  if (IsOpen() &&
+      !String::Equals(isolate()->factory()->prototype_string(), name)) {
     names_stack_.Add(Name(name, kLiteralName), zone());
   }
 }
 
 
 void FuncNameInferrer::PushVariableName(Handle<String> name) {
-  if (IsOpen() && !isolate()->heap()->dot_result_string()->Equals(*name)) {
+  if (IsOpen() &&
+      !String::Equals(isolate()->factory()->dot_result_string(), name)) {
     names_stack_.Add(Name(name, kVariableName), zone());
   }
 }
@@ -83,11 +62,13 @@ Handle<String> FuncNameInferrer::MakeNameFromStackHelper(int pos,
     return MakeNameFromStackHelper(pos + 1, prev);
   } else {
     if (prev->length() > 0) {
+      Handle<String> name = names_stack_.at(pos).name;
+      if (prev->length() + name->length() + 1 > String::kMaxLength) return prev;
       Factory* factory = isolate()->factory();
-      Handle<String> curr = factory->NewConsString(
-          factory->dot_string(), names_stack_.at(pos).name);
-      return MakeNameFromStackHelper(pos + 1,
-                                     factory->NewConsString(prev, curr));
+      Handle<String> curr =
+          factory->NewConsString(factory->dot_string(), name).ToHandleChecked();
+      curr = factory->NewConsString(prev, curr).ToHandleChecked();
+      return MakeNameFromStackHelper(pos + 1, curr);
     } else {
       return MakeNameFromStackHelper(pos + 1, names_stack_.at(pos).name);
     }