Adjust assertion in Heap::IdleNotification.

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 580a764d334462a5b930aff5cea827151c77d508..15040a37831a9f0f53718d682880fe1a91a26504 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -4597,8 +4597,11 @@ bool Heap::IdleNotification() {
 
   // Make sure that we have no pending context disposals and
   // conditionally uncommit from space.
-  ASSERT((contexts_disposed_ == 0) || incremental_marking()->IsMarking());
+  // Take into account that we might have decided to delay full collection
+  // because incremental marking is in progress.
+  ASSERT((contexts_disposed_ == 0) || !incremental_marking()->IsStopped());
   if (uncommit) UncommitFromSpace();
+
   return finished;
 }