diff -r 85b6ca9458ed src/share/vm/oops/methodCounters.hpp
--- a/src/share/vm/oops/methodCounters.hpp      Wed Mar 29 15:44:34 2017 +0000
+++ b/src/share/vm/oops/methodCounters.hpp      Wed Apr 05 15:42:18 2017 +0100
@@ -116,7 +116,7 @@
 
   AOT_ONLY(Method* method() const { return _method; })
 
-  static int size() { return sizeof(MethodCounters) / wordSize; }
+  static int size() { return align_size_up(sizeof(MethodCounters), wordSize) / wordSize; }
 
   bool is_klass() const { return false; }