Extend destructor checks to account for eagerly finalized class types.

tools/clang/blink_gc_plugin/tests/destructor_eagerly_finalized.h

+// Copyright 2015 The Chromium 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 DESTRUCTOR_EAGERLY_FINALIZED_H_
+#define DESTRUCTOR_EAGERLY_FINALIZED_H_
+
+#include "heap/stubs.h"
+
+namespace blink {
+
+class HeapObject : public GarbageCollected<HeapObject> {
+public:
+    void trace(Visitor*) { }
+    void foo() { }
+};
+
+class HeapObjectEagerFinalized
+    : public GarbageCollectedFinalized<HeapObjectEagerFinalized> {
+public:
+    EAGERLY_FINALIZED();
+    ~HeapObjectEagerFinalized();
+    void trace(Visitor*);
+
+    void foo() { }
+
+private:
+    Member<HeapObject> m_obj;
+};
+
+// Accessing other eagerly finalized objects during finalization is not allowed.
+class HeapObjectEagerFinalizedAlso
+    : public GarbageCollectedFinalized<HeapObjectEagerFinalizedAlso> {
+public:
+    EAGERLY_FINALIZED();
+    ~HeapObjectEagerFinalizedAlso();
+    void trace(Visitor*);
+
+private:
+    Member<HeapObject> m_heapObject;
+    Member<HeapObjectEagerFinalized> m_heapObjectFinalized;
+    HeapVector<Member<HeapObjectEagerFinalized>> m_heapVector;
+};
+
+} // namespace blink
+
+#endif // DESTRUCTOR_EAGERLY_FINALIZED_H_