In preparation of inlining remainder and modulo binary Smi operations:

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/bigint_operations.h"
@@ skipping 20 matching lines @@
 #include "vm/symbols.h"
 #include "vm/timer.h"
 #include "vm/unicode.h"
 #include "vm/verifier.h"
 #include "vm/version.h"
 
 namespace dart {
 
 DECLARE_FLAG(bool, print_class_table);
 DECLARE_FLAG(bool, verify_handles);
+DEFINE_FLAG(bool, check_function_fingerprints, false,
+            "Check function fingerprints");
 DEFINE_FLAG(bool, trace_api, false,
             "Trace invocation of API calls (debug mode only)");
 
 ThreadLocalKey Api::api_native_key_ = Thread::kUnsetThreadLocalKey;
 Dart_Handle Api::true_handle_ = NULL;
 Dart_Handle Api::false_handle_ = NULL;
 Dart_Handle Api::null_handle_ = NULL;
 
 
 const char* CanonicalFunction(const char* func) {
@@ skipping 761 matching lines @@
   char* isolate_name = BuildIsolateName(script_uri, main);
   Isolate* isolate = Dart::CreateIsolate(isolate_name);
   free(isolate_name);
   {
     StackZone zone(isolate);
     HANDLESCOPE(isolate);
     const Error& error_obj =
         Error::Handle(isolate,
                       Dart::InitializeIsolate(snapshot, callback_data));
     if (error_obj.IsNull()) {
+      if (FLAG_check_function_fingerprints) {
+        Library::CheckFunctionFingerprints();
+      }
       START_TIMER(time_total_runtime);
       return reinterpret_cast<Dart_Isolate>(isolate);
     }
     *error = strdup(error_obj.ToErrorCString());
   }
   Dart::ShutdownIsolate();
   return reinterpret_cast<Dart_Isolate>(NULL);
 }
 
 
@@ skipping 3590 matching lines @@
   }
   {
     NoGCScope no_gc;
     RawObject* raw_obj = obj.raw();
     isolate->heap()->SetPeer(raw_obj, peer);
   }
   return Api::Success();
 }
 
 }  // namespace dart