deps: upgrade V8 to 5.0.71.32

* Pick up the branch head for V8 5.0 stable [1]
* Edit v8 gitignore to allow trace_event copy
* Update V8 DEP trace_event as per deps/v8/DEPS [2]

[1] https://chromium.googlesource.com/v8/v8.git/+/3c67831
[2] https://chromium.googlesource.com/chromium/src/base/trace_event/common/+/4b09207e447ae5bd34643b4c6321bee7b76d35f9

Ref: https://github.com/nodejs/node/pull/5945
PR-URL: https://github.com/nodejs/node/pull/6111
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: indutny - Fedor Indutny <fedor.indutny@gmail.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/deps/v8/test/fuzzer/parser.cc b/deps/v8/test/fuzzer/parser.cc
new file mode 100644
index 0000000000..aee4c0dab7
--- /dev/null
+++ b/deps/v8/test/fuzzer/parser.cc
@@ -0,0 +1,42 @@
+// Copyright 2016 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 <limits.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include "include/v8.h"
+#include "src/objects.h"
+#include "src/parsing/parser.h"
+#include "src/parsing/preparser.h"
+#include "test/fuzzer/fuzzer-support.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
+  v8::Isolate* isolate = support->GetIsolate();
+
+  v8::Isolate::Scope isolate_scope(isolate);
+  v8::HandleScope handle_scope(isolate);
+  v8::Context::Scope context_scope(support->GetContext());
+  v8::TryCatch try_catch(isolate);
+
+  v8::internal::Isolate* i_isolate =
+      reinterpret_cast<v8::internal::Isolate*>(isolate);
+  v8::internal::Factory* factory = i_isolate->factory();
+
+  if (size > INT_MAX) return 0;
+  v8::internal::MaybeHandle<v8::internal::String> source =
+      factory->NewStringFromOneByte(
+          v8::internal::Vector<const uint8_t>(data, static_cast<int>(size)));
+  if (source.is_null()) return 0;
+
+  v8::internal::Handle<v8::internal::Script> script =
+      factory->NewScript(source.ToHandleChecked());
+  v8::internal::Zone zone;
+  v8::internal::ParseInfo info(&zone, script);
+  info.set_global();
+  v8::internal::Parser parser(&info);
+  parser.Parse(&info);
+  return 0;
+}