8202171: Some oopDesc functions compare this with NULL

Add Method* parameter and made verify* methods static to avoid 'this' comparison with NULL, Added NULL checks before calling print_on() methods.

Reviewed-by: kbarrett, coleenp

src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp

@@ -311,7 +311,7 @@ void ThreadLocalAllocBuffer::verify() {
   HeapWord* t = top();
   HeapWord* prev_p = NULL;
   while (p < t) {
-    oop(p)->verify();
+    oopDesc::verify(oop(p));
     prev_p = p;
     p += oop(p)->size();
   }