deps: update V8 to 8.6.395

PR-URL: https://github.com/nodejs/node/pull/35415
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/deps/v8/src/heap/cppgc/marking-verifier.h b/deps/v8/src/heap/cppgc/marking-verifier.h
new file mode 100644
index 0000000000..440b198dd5
--- /dev/null
+++ b/deps/v8/src/heap/cppgc/marking-verifier.h
@@ -0,0 +1,42 @@
+// Copyright 2020 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_HEAP_CPPGC_MARKING_VERIFIER_H_
+#define V8_HEAP_CPPGC_MARKING_VERIFIER_H_
+
+#include "src/heap/base/stack.h"
+#include "src/heap/cppgc/heap-visitor.h"
+#include "src/heap/cppgc/heap.h"
+#include "src/heap/cppgc/visitor.h"
+
+namespace cppgc {
+namespace internal {
+
+class V8_EXPORT_PRIVATE MarkingVerifier final
+    : private HeapVisitor<MarkingVerifier>,
+      public cppgc::Visitor,
+      public ConservativeTracingVisitor,
+      public heap::base::StackVisitor {
+  friend class HeapVisitor<MarkingVerifier>;
+
+ public:
+  explicit MarkingVerifier(HeapBase&, Heap::Config::StackState);
+
+  void Visit(const void*, TraceDescriptor) final;
+  void VisitWeak(const void*, TraceDescriptor, WeakCallback, const void*) final;
+
+ private:
+  void VerifyChild(const void*);
+
+  void VisitConservatively(HeapObjectHeader&,
+                           TraceConservativelyCallback) final;
+  void VisitPointer(const void*) final;
+
+  bool VisitHeapObjectHeader(HeapObjectHeader*);
+};
+
+}  // namespace internal
+}  // namespace cppgc
+
+#endif  // V8_HEAP_CPPGC_MARKING_VERIFIER_H_