diff -r 92fd9825e468 -r b0f67ec8f6be hotspot/src/share/vm/utilities/accessFlags.hpp
--- a/hotspot/src/share/vm/utilities/accessFlags.hpp	Tue Apr 25 18:56:45 2017 +0000
+++ b/hotspot/src/share/vm/utilities/accessFlags.hpp	Fri Apr 14 08:33:57 2017 -0700
@@ -64,6 +64,7 @@
   JVM_ACC_HAS_FINALIZER           = 0x40000000,     // True if klass has a non-empty finalize() method
   JVM_ACC_IS_CLONEABLE_FAST       = (int)0x80000000,// True if klass implements the Cloneable interface and can be optimized in generated code
   JVM_ACC_HAS_FINAL_METHOD        = 0x01000000,     // True if klass has final method
+  JVM_ACC_IS_SHARED_CLASS         = 0x02000000,     // True if klass is shared
 
   // Klass* and Method* flags
   JVM_ACC_HAS_LOCAL_VARIABLE_TABLE= 0x00200000,
@@ -146,6 +147,8 @@
   bool has_finalizer           () const { return (_flags & JVM_ACC_HAS_FINALIZER          ) != 0; }
   bool has_final_method        () const { return (_flags & JVM_ACC_HAS_FINAL_METHOD       ) != 0; }
   bool is_cloneable_fast       () const { return (_flags & JVM_ACC_IS_CLONEABLE_FAST      ) != 0; }
+  bool is_shared_class         () const { return (_flags & JVM_ACC_IS_SHARED_CLASS        ) != 0; }
+
   // Klass* and Method* flags
   bool has_localvariable_table () const { return (_flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE) != 0; }
   void set_has_localvariable_table()    { atomic_set_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
@@ -216,6 +219,7 @@
   void set_has_final_method()          { atomic_set_bits(JVM_ACC_HAS_FINAL_METHOD);        }
   void set_is_cloneable_fast()         { atomic_set_bits(JVM_ACC_IS_CLONEABLE_FAST);       }
   void set_has_miranda_methods()       { atomic_set_bits(JVM_ACC_HAS_MIRANDA_METHODS);     }
+  void set_is_shared_class()           { atomic_set_bits(JVM_ACC_IS_SHARED_CLASS);         }
 
  public:
   // field flags