Eliminate dependencies on assemblers and code stubs in precompiled runtime.

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index fdb2ddf1663b67cc1df6d84919644f31753c07d6..e4f0ae8dfa56aacd908a4dd0f7529919f70c4aa7 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -14481,7 +14481,7 @@ void Code::SetStubCallTargetCodeAt(uword pc, const Code& code) const {
 
 
 void Code::Disassemble(DisassemblyFormatter* formatter) const {
-#ifndef PRODUCT
+#if !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME)
   if (!FLAG_support_disassembler) {
     return;
   }
@@ -14578,6 +14578,7 @@ RawCode* Code::New(intptr_t pointer_offsets_length) {
 }
 
 
+#if !defined(DART_PRECOMPILED_RUNTIME)
 RawCode* Code::FinalizeCode(const char* name,
                             Assembler* assembler,
                             bool optimized) {
@@ -14679,6 +14680,7 @@ RawCode* Code::FinalizeCode(const Function& function,
 #endif  // !PRODUCT
   return FinalizeCode("", assembler, optimized);
 }
+#endif  // !defined(DART_PRECOMPILED_RUNTIME)
 
 
 bool Code::SlowFindRawCodeVisitor::FindObject(RawObject* raw_obj) const {