Reland "[heap] Start sweeper tasks after evacuation" (second try).

test/cctest/heap/heap-tester.h

Index: test/cctest/heap/heap-tester.h
diff --git a/test/cctest/heap/heap-tester.h b/test/cctest/heap/heap-tester.h
index a01de692915b1e011012a660f2d4db19f26f0a69..42b761723e1a2aea0b569dd2a99d2a42ace11b1f 100644
--- a/test/cctest/heap/heap-tester.h
+++ b/test/cctest/heap/heap-tester.h
@@ -32,6 +32,7 @@
   V(Regress587004)                                        \
   V(Regress538257)                                        \
   V(Regress589413)                                        \
+  V(Regress658718)                                        \
   V(WriteBarriersInCopyJSObject)
 
 #define HEAP_TEST(Name)                                                       \
@@ -39,6 +40,11 @@
                               #Name, true, true);                             \
   void v8::internal::HeapTester::Test##Name()
 
+#define UNINITIALIZED_HEAP_TEST(Name)                                         \
+  CcTest register_test_##Name(v8::internal::HeapTester::Test##Name, __FILE__, \
+                              #Name, true, false);                            \
+  void v8::internal::HeapTester::Test##Name()
+
 #define THREADED_HEAP_TEST(Name)                                             \
   RegisterThreadedTest register_##Name(v8::internal::HeapTester::Test##Name, \
                                        #Name);                               \