Fix non-DBC builds.

runtime/vm/stub_code.h

 // Copyright (c) 2011, 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.
 
 #ifndef RUNTIME_VM_STUB_CODE_H_
 #define RUNTIME_VM_STUB_CODE_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 
@@ skipping 16 matching lines @@
   V(GetStackPointer)                                                           \
   V(JumpToExceptionHandler)                                                    \
   V(UpdateStoreBuffer)                                                         \
   V(PrintStopMessage)                                                          \
   V(CallToRuntime)                                                             \
   V(LazyCompile)                                                               \
   V(CallBootstrapCFunction)                                                    \
   V(CallNativeCFunction)                                                       \
   V(FixCallersTarget)                                                          \
   V(CallStaticFunction)                                                        \
+  V(OptimizeFunction)                                                          \
   V(InvokeDartCode)                                                            \
   V(DebugStepCheck)                                                            \
   V(UnlinkedCall)                                                              \
   V(MonomorphicMiss)                                                           \
   V(SingleTargetCall)                                                          \
   V(ICCallThroughFunction)                                                     \
   V(ICCallThroughCode)                                                         \
   V(MegamorphicCall)                                                           \
   V(FixAllocationStubTarget)                                                   \
   V(Deoptimize)                                                                \
@@ skipping 150 matching lines @@
 
 enum DeoptStubKind {
   kLazyDeoptFromReturn,
   kLazyDeoptFromThrow,
   kEagerDeopt
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_STUB_CODE_H_