Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/crankshaft/hydrogen-mark-unreachable.h b/src/crankshaft/hydrogen-mark-unreachable.h
new file mode 100644
index 0000000..1243b1f
--- /dev/null
+++ b/src/crankshaft/hydrogen-mark-unreachable.h
@@ -0,0 +1,31 @@
+// Copyright 2013 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_CRANKSHAFT_HYDROGEN_MARK_UNREACHABLE_H_
+#define V8_CRANKSHAFT_HYDROGEN_MARK_UNREACHABLE_H_
+
+#include "src/crankshaft/hydrogen.h"
+
+namespace v8 {
+namespace internal {
+
+
+class HMarkUnreachableBlocksPhase : public HPhase {
+ public:
+ explicit HMarkUnreachableBlocksPhase(HGraph* graph)
+ : HPhase("H_Mark unreachable blocks", graph) { }
+
+ void Run();
+
+ private:
+ void MarkUnreachableBlocks();
+
+ DISALLOW_COPY_AND_ASSIGN(HMarkUnreachableBlocksPhase);
+};
+
+
+} // namespace internal
+} // namespace v8
+
+#endif // V8_CRANKSHAFT_HYDROGEN_MARK_UNREACHABLE_H_