--- old/src/hotspot/share/code/pcDesc.hpp	2019-03-11 14:25:47.366355415 +0100
+++ new/src/hotspot/share/code/pcDesc.hpp	2019-03-11 14:25:47.166355418 +0100
@@ -42,7 +42,8 @@
     PCDESC_reexecute               = 1 << 0,
     PCDESC_is_method_handle_invoke = 1 << 1,
     PCDESC_return_oop              = 1 << 2,
-    PCDESC_rethrow_exception       = 1 << 3
+    PCDESC_rethrow_exception       = 1 << 3,
+    PCDESC_return_vt               = 1 << 4
   };
 
   int _flags;
@@ -89,6 +90,9 @@
   bool     return_oop()                    const { return (_flags & PCDESC_return_oop) != 0;     }
   void set_return_oop(bool z)                    { set_flag(PCDESC_return_oop, z); }
 
+  bool     return_vt()                     const { return (_flags & PCDESC_return_vt) != 0;     }
+  void set_return_vt(bool z)                     { set_flag(PCDESC_return_vt, z); }
+
   // Returns the real pc
   address real_pc(const CompiledMethod* code) const;