deps: update V8 to 6.7.288.43

PR-URL: https://github.com/nodejs/node/pull/19989
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matheus Marchini <matheus@sthima.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/atn/EmptyPredictionContext.cpp b/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/atn/EmptyPredictionContext.cpp
new file mode 100644
index 0000000000..5eb7b4252d
--- /dev/null
+++ b/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/atn/EmptyPredictionContext.cpp
@@ -0,0 +1,30 @@
+/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
+ * Use of this file is governed by the BSD 3-clause license that
+ * can be found in the LICENSE.txt file in the project root.
+ */
+
+#include "atn/EmptyPredictionContext.h"
+
+using namespace antlr4::atn;
+
+EmptyPredictionContext::EmptyPredictionContext()
+    : SingletonPredictionContext(nullptr, EMPTY_RETURN_STATE) {}
+
+bool EmptyPredictionContext::isEmpty() const { return true; }
+
+size_t EmptyPredictionContext::size() const { return 1; }
+
+Ref<PredictionContext> EmptyPredictionContext::getParent(
+    size_t /*index*/) const {
+  return nullptr;
+}
+
+size_t EmptyPredictionContext::getReturnState(size_t /*index*/) const {
+  return returnState;
+}
+
+bool EmptyPredictionContext::operator==(const PredictionContext& o) const {
+  return this == &o;
+}
+
+std::string EmptyPredictionContext::toString() const { return "$"; }