Eliminate dependencies on assemblers and code stubs in precompiled runtime.

runtime/vm/intermediate_language_x64.cc

 // 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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
-#if defined(TARGET_ARCH_X64)
+#if defined(TARGET_ARCH_X64) && !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/instructions.h"
 #include "vm/locations.h"
@@ skipping 6630 matching lines @@
   __ CallPatchable(*StubCode::DebugStepCheck_entry());
   compiler->AddCurrentDescriptor(stub_kind_, deopt_id_, token_pos());
   compiler->RecordSafepoint(locs());
 }
 
 
 }  // namespace dart
 
 #undef __
 
-#endif  // defined TARGET_ARCH_X64
+#endif  // defined(TARGET_ARCH_X64) && !defined(DART_PRECOMPILED_RUNTIME)