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, 56 insertions, 0 deletions

diff --git a/deps/v8/test/fuzzer/fuzzer.cc b/deps/v8/test/fuzzer/fuzzer.cc
new file mode 100644
index 0000000000..71a26b86b3
--- /dev/null
+++ b/deps/v8/test/fuzzer/fuzzer.cc
@@ -0,0 +1,56 @@
+// 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 <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv);
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
+
+int main(int argc, char* argv[]) {
+  if (LLVMFuzzerInitialize(&argc, &argv)) {
+    fprintf(stderr, "Failed to initialize fuzzer target\n");
+    return 1;
+  }
+
+  if (argc < 2) {
+    fprintf(stderr, "USAGE: %s <input>\n", argv[0]);
+    return 1;
+  }
+
+  FILE* input = fopen(argv[1], "rb");
+
+  if (!input) {
+    fprintf(stderr, "Failed to open '%s'\n", argv[1]);
+    return 1;
+  }
+
+  fseek(input, 0, SEEK_END);
+  long size = ftell(input);
+  fseek(input, 0, SEEK_SET);
+
+  uint8_t* data = reinterpret_cast<uint8_t*>(malloc(size));
+  if (!data) {
+    fclose(input);
+    fprintf(stderr, "Failed to allocate %ld bytes\n", size);
+    return 1;
+  }
+
+  size_t bytes_read = fread(data, 1, size, input);
+  fclose(input);
+
+  if (bytes_read != size) {
+    free(data);
+    fprintf(stderr, "Failed to read %s\n", argv[1]);
+    return 1;
+  }
+
+  int result = LLVMFuzzerTestOneInput(data, size);
+
+  free(data);
+
+  return result;
+}