Debugger: clear ICs on activating step-in to correctly flood accessor pairs.

src/runtime/runtime-classes.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdlib.h>
 #include <limits>
 
 #include "src/v8.h"
 
 #include "src/arguments.h"
@@ skipping 452 matching lines @@
   return StoreKeyedToSuper(isolate, home_object, receiver, key, value, SLOPPY);
 }
 
 
 RUNTIME_FUNCTION(Runtime_HandleStepInForDerivedConstructors) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
   Debug* debug = isolate->debug();
   // Handle stepping into constructors if step into is active.
-  if (debug->StepInActive()) {
-    debug->HandleStepIn(function, Handle<Object>::null(), 0, true);
-  }
+  if (debug->StepInActive()) debug->HandleStepIn(function, true);
   return *isolate->factory()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_DefaultConstructorCallSuper) {
   UNIMPLEMENTED();
   return nullptr;
 }
 
 
 RUNTIME_FUNCTION(Runtime_CallSuperWithSpread) {
   UNIMPLEMENTED();
   return nullptr;
 }
 }  // namespace internal
 }  // namespace v8