--- old/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.hpp	2020-04-03 22:13:02.827275246 +0200
+++ new/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.hpp	2020-04-03 22:13:02.720275957 +0200
@@ -58,8 +58,8 @@
   static Node* find_bottom_mem(Node* ctrl, PhaseIdealLoop* phase);
   static void follow_barrier_uses(Node* n, Node* ctrl, Unique_Node_List& uses, PhaseIdealLoop* phase);
   static void test_null(Node*& ctrl, Node* val, Node*& null_ctrl, PhaseIdealLoop* phase);
-  static void test_heap_stable(Node*& ctrl, Node* raw_mem, Node*& heap_stable_ctrl,
-                               PhaseIdealLoop* phase);
+  static void test_heap_state(Node*& ctrl, Node* raw_mem, Node*& heap_stable_ctrl,
+                              PhaseIdealLoop* phase, int flags);
   static void call_lrb_stub(Node*& ctrl, Node*& val, Node* load_addr, Node*& result_mem, Node* raw_mem, bool is_native, PhaseIdealLoop* phase);
   static Node* clone_null_check(Node*& c, Node* val, Node* unc_ctrl, PhaseIdealLoop* phase);
   static void fix_null_check(Node* unc, Node* unc_ctrl, Node* new_unc_ctrl, Unique_Node_List& uses,