From 8e838f705c32c5a40e4618d47f8feaa4ca41757a Mon Sep 17 00:00:00 2001
From: hpayer <hpayer@chromium.org>
Date: Mon, 26 Jan 2015 06:54:58 -0800
Subject: [PATCH] Perform full GC if incremental marking is completed or
 marking deque is empty.

BUG=

Review URL: https://codereview.chromium.org/874993003

Cr-Commit-Position: refs/heads/master@{#26272}
---
 src/heap/heap.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index d455094903..bc55f9e1c5 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -827,7 +827,8 @@ bool Heap::CollectGarbage(GarbageCollector collector, const char* gc_reason,
     const intptr_t kStepSizeWhenDelayedByScavenge = 1 * MB;
     incremental_marking()->Step(kStepSizeWhenDelayedByScavenge,
                                 IncrementalMarking::NO_GC_VIA_STACK_GUARD);
-    if (!incremental_marking()->IsComplete() && !FLAG_gc_global) {
+    if (!incremental_marking()->IsComplete() &&
+        !mark_compact_collector_.marking_deque_.IsEmpty() && !FLAG_gc_global) {
       if (FLAG_trace_incremental_marking) {
         PrintF("[IncrementalMarking] Delaying MarkSweep.\n");
       }