--- old/src/hotspot/share/gc/g1/g1VMOperations.hpp	2019-02-27 10:23:34.585510178 +0100
+++ new/src/hotspot/share/gc/g1/g1VMOperations.hpp	2019-02-27 10:23:34.314501938 +0100
@@ -35,13 +35,17 @@
 //   - VM_G1CollectFull
 
 class VM_G1CollectFull : public VM_GC_Operation {
+  bool _pause_succeeded;
+
 public:
   VM_G1CollectFull(uint gc_count_before,
                    uint full_gc_count_before,
                    GCCause::Cause cause) :
-    VM_GC_Operation(gc_count_before, cause, full_gc_count_before, true) { }
+    VM_GC_Operation(gc_count_before, cause, full_gc_count_before, true),
+    _pause_succeeded(false) { }
   virtual VMOp_Type type() const { return VMOp_G1CollectFull; }
   virtual void doit();
+  bool pause_succeeded() { return _pause_succeeded; }
 };
 
 class VM_G1CollectForAllocation : public VM_CollectForAllocation {