--check_function_fingerprints is available only in dart_no_snapshot, i.e., it was not tested. Make …

runtime/vm/dart_api_impl.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 "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
@@ skipping 29 matching lines @@
 #include "vm/unicode.h"
 #include "vm/verifier.h"
 #include "vm/version.h"
 
 namespace dart {
 
 DECLARE_FLAG(bool, load_deferred_eagerly);
 DECLARE_FLAG(bool, print_class_table);
 DECLARE_FLAG(bool, verify_handles);
 #if defined(DART_NO_SNAPSHOT)
-DEFINE_FLAG(bool, check_function_fingerprints, false,
+DEFINE_FLAG(bool, check_function_fingerprints, true,
             "Check function fingerprints");
 #endif  // defined(DART_NO_SNAPSHOT).
 DEFINE_FLAG(bool, trace_api, false,
             "Trace invocation of API calls (debug mode only)");
 DEFINE_FLAG(bool, verify_acquired_data, false,
             "Verify correct API acquire/release of typed data.");
 
 ThreadLocalKey Api::api_native_key_ = OSThread::kUnsetThreadLocalKey;
 Dart_Handle Api::true_handle_ = NULL;
 Dart_Handle Api::false_handle_ = NULL;
@@ skipping 5520 matching lines @@
 
 
 DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
     const char* name,
     Dart_ServiceRequestCallback callback,
     void* user_data) {
   Service::RegisterRootEmbedderCallback(name, callback, user_data);
 }
 
 }  // namespace dart