--- old/src/share/vm/runtime/sharedRuntime.hpp	2017-04-25 16:45:53.711172451 +0200
+++ new/src/share/vm/runtime/sharedRuntime.hpp	2017-04-25 16:45:53.567172456 +0200
@@ -182,12 +182,6 @@
   static address raw_exception_handler_for_return_address(JavaThread* thread, address return_address);
   static address exception_handler_for_return_address(JavaThread* thread, address return_address);
 
-#if INCLUDE_ALL_GCS
-  // G1 write barriers
-  static void g1_wb_pre(oopDesc* orig, JavaThread *thread);
-  static void g1_wb_post(void* card_addr, JavaThread* thread);
-#endif // INCLUDE_ALL_GCS
-
   // exception handling and implicit exceptions
   static address compute_compiled_exc_handler(CompiledMethod* nm, address ret_pc, Handle& exception,
                                               bool force_unwind, bool top_frame_only, bool& recursive_exception_occurred);
@@ -211,6 +205,10 @@
   static address deoptimize_for_implicit_exception(JavaThread* thread, address pc, CompiledMethod* nm, int deopt_reason);
 #endif
 
+  // Post-slow-path-allocation, pre-initializing-stores step for
+  // implementing e.g. ReduceInitialCardMarks
+  static void on_slowpath_allocation(JavaThread* thread);
+
   static void enable_stack_reserved_zone(JavaThread* thread);
   static frame look_for_reserved_stack_annotated_method(JavaThread* thread, frame fr);