[heap] More flag cleanup.

test/cctest/test-object-observe.cc

Index: test/cctest/test-object-observe.cc
diff --git a/test/cctest/test-object-observe.cc b/test/cctest/test-object-observe.cc
index 37dde078fe97762bb0d720da3522d1f3194de330..4b6f216c60a2ae8bfe7f9a68419bf623ac23781a 100644
--- a/test/cctest/test-object-observe.cc
+++ b/test/cctest/test-object-observe.cc
@@ -683,7 +683,8 @@ static void CheckSurvivingGlobalObjectsCount(int expected) {
   // been marked at that point.  Therefore some of the maps are not
   // collected until the second garbage collection.
   CcTest::heap()->CollectAllGarbage();
-  CcTest::heap()->CollectAllGarbage(i::Heap::kMakeHeapIterableMask);
+  CcTest::heap()->CollectAllGarbage("CheckSurvivingGlobalObjectsCount",
+                                    i::Heap::kMakeHeapIterableMask);
   int count = GetGlobalObjectsCount();
 #ifdef DEBUG
   if (count != expected) CcTest::heap()->TracePathToGlobal();