Only do incremental marking in idle notification when incremental marking was already started or wh…

src/heap/gc-idle-time-handler.cc

Index: src/heap/gc-idle-time-handler.cc
diff --git a/src/heap/gc-idle-time-handler.cc b/src/heap/gc-idle-time-handler.cc
index 068ff3364ab701fe1f83139570c9345648c1611b..19b7fb6c48ddde6dc75e40d0b120e60dfcd09af6 100644
--- a/src/heap/gc-idle-time-handler.cc
+++ b/src/heap/gc-idle-time-handler.cc
@@ -143,7 +143,7 @@ GCIdleTimeAction GCIdleTimeHandler::Compute(size_t idle_time_in_ms,
     return GCIdleTimeAction::FinalizeSweeping();
   }
 
-  if (heap_state.incremental_marking_stopped &&
+  if (heap_state.incremental_marking_stopped ||
       !heap_state.can_start_incremental_marking) {
     return GCIdleTimeAction::Nothing();
   }