Don't step in Array.prorotype.slice.call

src/debug.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1292 matching lines @@
     // Don't allow step into functions in the native context.
     if (function->context()->global() != Top::context()->builtins()) {
       if (function->shared()->code() ==
           Builtins::builtin(Builtins::FunctionApply) ||
           function->shared()->code() ==
           Builtins::builtin(Builtins::FunctionCall)) {
         // Handle function.apply and function.call separately to flood the
         // function to be called and not the code for Builtins::FunctionApply or
         // Builtins::FunctionCall. The receiver of call/apply is the target
         // function.
-        if (!holder.is_null() && holder->IsJSFunction()) {
+        if (!holder.is_null() && holder->IsJSFunction() &&
+            JSFunction::cast(*holder)->context()->global() !=
+            Top::context()->builtins()) {
           Handle<SharedFunctionInfo> shared_info(
               JSFunction::cast(*holder)->shared());
           Debug::FloodWithOneShot(shared_info);
         }
       } else {
         Debug::FloodWithOneShot(Handle<SharedFunctionInfo>(function->shared()));
       }
     }
   }
 }
@@ skipping 1238 matching lines @@
 
 
 void LockingCommandMessageQueue::Clear() {
   ScopedLock sl(lock_);
   queue_.Clear();
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal