Index: src/heap/mark-compact.h |
diff --git a/src/heap/mark-compact.h b/src/heap/mark-compact.h |
index fa57bfb8729de5e117499d01974a68059ac40bc6..29c871d406e0a8446f34387107ddbf5d5e1705a0 100644 |
--- a/src/heap/mark-compact.h |
+++ b/src/heap/mark-compact.h |
@@ -33,7 +33,7 @@ class RecordMigratedSlotVisitor; |
class ThreadLocalTop; |
class YoungGenerationMarkingVisitor; |
-#if V8_CONCURRENT_MARKING |
+#ifdef V8_CONCURRENT_MARKING |
using MarkingDeque = ConcurrentMarkingDeque; |
#else |
using MarkingDeque = SequentialMarkingDeque; |