VM: Support bootstrapping core libraries from Kernel binaries instead of source.

runtime/vm/flow_graph_inliner.cc

Index: runtime/vm/flow_graph_inliner.cc
diff --git a/runtime/vm/flow_graph_inliner.cc b/runtime/vm/flow_graph_inliner.cc
index 6d2ea7293516ca1bc69fe819dc98b8dfc0852129..001535cd4df02d4e6952ce16eba937e8b2be2201 100644
--- a/runtime/vm/flow_graph_inliner.cc
+++ b/runtime/vm/flow_graph_inliner.cc
@@ -1,7 +1,7 @@
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
-
+#if !defined(DART_PRECOMPILED_RUNTIME)
 #include "vm/flow_graph_inliner.h"
 
 #include "vm/aot_optimizer.h"
@@ -3598,3 +3598,4 @@ bool FlowGraphInliner::TryInlineRecognizedMethod(FlowGraph* flow_graph,
 
 
 }  // namespace dart
+#endif  // !defined(DART_PRECOMPILED_RUNTIME)