Fix de/serialization tests after r24592

src/mksnapshot.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <errno.h>
 #include <stdio.h>
 #ifdef COMPRESS_STARTUP_DATA_BZ2
 #include <bzlib.h>
 #endif
 #include <signal.h>
@@ skipping 381 matching lines @@
       }
     }
     // Make sure all builtin scripts are cached.
     { HandleScope scope(isolate);
       for (int i = 0; i < i::Natives::GetBuiltinsCount(); i++) {
         internal_isolate->bootstrapper()->NativesSourceLookup(i);
       }
     }
     // If we don't do this then we end up with a stray root pointing at the
     // context even after we have disposed of the context.
-    internal_isolate->heap()->CollectAllGarbage(
-        i::Heap::kNoGCFlags, "mksnapshot");
+    internal_isolate->heap()->CollectAllAvailableGarbage("mksnapshot");
     i::Object* raw_context = *v8::Utils::OpenPersistent(context);
     context.Reset();
 
     // This results in a somewhat smaller snapshot, probably because it gets
     // rid of some things that are cached between garbage collections.
     i::List<i::byte> snapshot_data;
     i::ListSnapshotSink snapshot_sink(&snapshot_data);
     i::StartupSerializer ser(internal_isolate, &snapshot_sink);
     ser.SerializeStrongReferences();
 
@@ skipping 16 matching lines @@
       writer.WriteSnapshot(snapshot_data, ser, context_data, context_ser);
     }
   }
 
   isolate->Dispose();
   V8::Dispose();
   V8::ShutdownPlatform();
   delete platform;
   return 0;
 }