1 files changed, 11 insertions, 4 deletions
diff --git a/deps/v8/src/codegen/tick-counter.h b/deps/v8/src/codegen/tick-counter.h
index 8d6c966bb0..3dbb404cde 100644
--- a/deps/v8/src/codegen/tick-counter.h
+++ b/deps/v8/src/codegen/tick-counter.h
@@ -10,16 +10,23 @@
 namespace v8 {
 namespace internal {
 
-// A deterministic correlate of time, used to detect performance or
-// divergence bugs in Turbofan. DoTick() should be called frequently
-// thoughout the compilation.
+class LocalHeap;
+
+// This method generates a tick. Also makes the current thread to enter a
+// safepoint iff it was required to do so. The tick is used as a deterministic
+// correlate of time to detect performance or divergence bugs in Turbofan.
+// TickAndMaybeEnterSafepoint() should be called frequently thoughout the
+// compilation.
 class TickCounter {
  public:
-  void DoTick();
+  void TickAndMaybeEnterSafepoint();
+  void AttachLocalHeap(LocalHeap* local_heap);
+  void DetachLocalHeap();
   size_t CurrentTicks() const { return ticks_; }
 
  private:
   size_t ticks_ = 0;
+  LocalHeap* local_heap_ = nullptr;
 };
 
 }  // namespace internal