Implement aging of maps embedded in optimized code.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index d4fbb046bff4397fd75db55754cdecc9dd99075a..155a9e26b24c36b217ab3d1537b0480d5b16178a 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -14122,7 +14122,7 @@ static void CheckSurvivingGlobalObjectsCount(int expected) {
   // the first garbage collection but some of the maps have already
   // been marked at that point.  Therefore some of the maps are not
   // collected until the second garbage collection.
-  CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
+  CcTest::heap()->CollectAllGarbage(i::Heap::kReduceMemoryFootprintMask);
   CcTest::heap()->CollectAllGarbage(i::Heap::kMakeHeapIterableMask);
   int count = GetGlobalObjectsCount();
 #ifdef DEBUG
@@ -19182,7 +19182,7 @@ TEST(Regress528) {
     other_context->Enter();
     CompileRun(source_exception);
     other_context->Exit();
-    CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
+    CcTest::heap()->CollectAllGarbage(i::Heap::kReduceMemoryFootprintMask);
     if (GetGlobalObjectsCount() == 1) break;
   }
   CHECK_GE(2, gc_count);