Mark native functions when they are created.

runtime/vm/compiler.cc

 // Copyright (c) 2012, 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 "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 899 matching lines @@
       AstPrinter::PrintNode(fragment);
     }
 
     // Create a dummy function object for the code generator.
     // The function needs to be associated with a named Class: the interface
     // Function fits the bill.
     const char* kEvalConst = "eval_const";
     const Function& func = Function::ZoneHandle(Function::New(
         String::Handle(Symbols::New(kEvalConst)),
         RawFunction::kRegularFunction,
-        true,  // static function.
-        false,  // not const function.
+        true,  // static function
+        false,  // not const function
         false,  // not abstract
-        false,  // not external.
+        false,  // not external
+        false,  // not native
         Class::Handle(Type::Handle(Type::Function()).type_class()),
         fragment->token_pos()));
 
     func.set_result_type(Type::Handle(Type::DynamicType()));
     func.set_num_fixed_parameters(0);
     func.SetNumOptionalParameters(0, true);
     // Manually generated AST, do not recompile.
     func.set_is_optimizable(false);
 
     // We compile the function here, even though InvokeStatic() below
@@ skipping 18 matching lines @@
       Object::Handle(isolate->object_store()->sticky_error());
     isolate->object_store()->clear_sticky_error();
     isolate->set_long_jump_base(base);
     return result.raw();
   }
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart