Eliminate dependencies on assemblers and code stubs in precompiled runtime.

runtime/vm/redundancy_elimination.cc

Index: runtime/vm/redundancy_elimination.cc
diff --git a/runtime/vm/redundancy_elimination.cc b/runtime/vm/redundancy_elimination.cc
index 06df06ab4b404d088efff525ccdeed9f594dd401..c2742d8fe7f52e8ee4144f630447fbcf6060c0f3 100644
--- a/runtime/vm/redundancy_elimination.cc
+++ b/runtime/vm/redundancy_elimination.cc
@@ -2,6 +2,8 @@
 // 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/redundancy_elimination.h"
 
 #include "vm/bit_vector.h"
@@ -3384,3 +3386,5 @@ void DeadCodeElimination::EliminateDeadPhis(FlowGraph* flow_graph) {
 
 
 }  // namespace dart
+
+#endif  // !defined(DART_PRECOMPILED_RUNTIME)