[WIP] do something :-)

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index 6cb9f35f4a68f03d5a4fde44829c03c71e8df83c..3db487ee9f586e3d73efe300e81c3e55e49ea067 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -90,6 +90,7 @@
 #include "wtf/Partitions.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCountedLeakCounter.h"
+#include "wtf/SizeAssertions.h"
 #include "wtf/Vector.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringBuilder.h"
@@ -98,12 +99,7 @@ namespace blink {
 
 using namespace HTMLNames;
 
-struct SameSizeAsNode : NODE_BASE_CLASSES {
-    uint32_t m_nodeFlags;
-    void* m_pointer[5];
-};
-
-static_assert(sizeof(Node) <= sizeof(SameSizeAsNode), "Node should stay small");
+ASSERT_SIZE(Node, 36, 64);
 
 #if !ENABLE(OILPAN)
 void* Node::operator new(size_t size)