Eliminate dependencies on assemblers and code stubs in precompiled runtime.

runtime/vm/intermediate_language_arm.cc

Index: runtime/vm/intermediate_language_arm.cc
diff --git a/runtime/vm/intermediate_language_arm.cc b/runtime/vm/intermediate_language_arm.cc
index 5ba506f9af089897a7da594deffbd73af7e955e8..50134d7c92fec97e18ef00957e9b8eabeda580be 100644
--- a/runtime/vm/intermediate_language_arm.cc
+++ b/runtime/vm/intermediate_language_arm.cc
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM.
-#if defined(TARGET_ARCH_ARM)
+#if defined(TARGET_ARCH_ARM) && !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/intermediate_language.h"
 
@@ -7157,4 +7157,4 @@ void DebugStepCheckInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
 
 }  // namespace dart
 
-#endif  // defined TARGET_ARCH_ARM
+#endif  // defined(TARGET_ARCH_ARM) && !defined(DART_PRECOMPILED_RUNTIME)