Introduce is_debuggable state bit on function objects

runtime/vm/resolver.cc

 // 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.
 
 #include "vm/resolver.h"
 
 #include "vm/dart_entry.h"
 #include "vm/flags.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
@@ skipping 72 matching lines @@
 
   // Initialize signature: receiver is a single fixed parameter.
   const intptr_t kNumParameters = 1;
   extractor.set_num_fixed_parameters(kNumParameters);
   extractor.SetNumOptionalParameters(0, 0);
   extractor.set_parameter_types(Object::extractor_parameter_types());
   extractor.set_parameter_names(Object::extractor_parameter_names());
   extractor.set_result_type(Type::Handle(Type::DynamicType()));
 
   extractor.set_extracted_method_closure(closure_function);
+  extractor.set_is_debuggable(false);
 
   owner.AddFunction(extractor);
 
   return extractor.raw();
 }
 
 
 RawFunction* Resolver::ResolveDynamicAnyArgs(
     const Class& receiver_class,
     const String& function_name) {
@@ skipping 111 matching lines @@
       OS::Print("ResolveStatic error '%s': %s.\n",
                 function_name.ToCString(),
                 error_message.ToCString());
     }
     return Function::null();
   }
   return function.raw();
 }
 
 }  // namespace dart