[gardening] Revert "Eliminate dependencies on assemblers and code stubs in precompiled runtime."

runtime/vm/deopt_instructions.cc

Index: runtime/vm/deopt_instructions.cc
diff --git a/runtime/vm/deopt_instructions.cc b/runtime/vm/deopt_instructions.cc
index b8b944a7f355cb798afcf07bff0eb1d97dc848b8..0367a054db17b58a3a11596051ac90b638e29cbd 100644
--- a/runtime/vm/deopt_instructions.cc
+++ b/runtime/vm/deopt_instructions.cc
@@ -2,8 +2,6 @@
 // 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/deopt_instructions.h"
 
 #include "vm/assembler.h"
@@ -1433,5 +1431,3 @@ bool DeoptInfo::VerifyDecompression(const GrowableArray<DeoptInstr*>& original,
 }
 
 }  // namespace dart
-
-#endif  // !defined(DART_PRECOMPILED_RUNTIME)