Fix IsCompiletimeErrorObject for precompiled.

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 "lib/stacktrace.h"
@@ skipping 167 matching lines @@
                               Heap::kNew)) {
       ASSERT(malformed_type_error.IsNull());  // Type is a raw Map.
       return instance.raw();
     }
   }
   return Instance::null();
 }
 
 
 static bool IsCompiletimeErrorObject(Zone* zone, const Object& obj) {
+#if defined(DART_PRECOMPILED_RUNTIME)
+  // All compile-time errors were handled at snapshot generation time and
+  // compiletime_error_class was removed.
+  return false;
+#else
   Isolate* I = Thread::Current()->isolate();
   const Class& error_class =
       Class::Handle(zone, I->object_store()->compiletime_error_class());
   ASSERT(!error_class.IsNull());
   return (obj.GetClassId() == error_class.id());
+#endif
 }
 
 
 static bool GetNativeStringArgument(NativeArguments* arguments,
                                     int arg_index,
                                     Dart_Handle* str,
                                     void** peer) {
   ASSERT(peer != NULL);
   if (Api::StringGetPeerHelper(arguments, arg_index, peer)) {
     *str = NULL;
@@ skipping 6397 matching lines @@
 
 DART_EXPORT bool Dart_IsPrecompiledRuntime() {
 #if defined(DART_PRECOMPILED_RUNTIME)
   return true;
 #else
   return false;
 #endif
 }
 
 }  // namespace dart