deps: update V8 to 7.7.299.4

PR-URL: https://github.com/nodejs/node/pull/28918
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/deps/v8/src/base/vlq-base64.h b/deps/v8/src/base/vlq-base64.h
new file mode 100644
index 0000000000..5d8633798b
--- /dev/null
+++ b/deps/v8/src/base/vlq-base64.h
@@ -0,0 +1,23 @@
+// Copyright 2019 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.
+
+#ifndef V8_BASE_VLQ_BASE64_H_
+#define V8_BASE_VLQ_BASE64_H_
+
+#include <string>
+
+#include "src/base/base-export.h"
+
+namespace v8 {
+namespace base {
+V8_BASE_EXPORT int8_t charToDigitDecodeForTesting(uint8_t c);
+
+// Decodes a VLQ-Base64-encoded string into 32bit digits. A valid return value
+// is within [-2^31+1, 2^31-1]. This function returns -2^31
+// (std::numeric_limits<int32_t>::min()) when bad input s is passed.
+V8_BASE_EXPORT int32_t VLQBase64Decode(const char* start, size_t sz,
+                                       size_t* pos);
+}  // namespace base
+}  // namespace v8
+#endif  // V8_BASE_VLQ_BASE64_H_