[console] fast console.assert(true)

src/code-factory.h

 // Copyright 2012 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.
 
 #ifndef V8_CODE_FACTORY_H_
 #define V8_CODE_FACTORY_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/callable.h"
@@ skipping 148 matching lines @@
   static Callable ArgumentAdaptor(Isolate* isolate);
   static Callable Call(Isolate* isolate,
                        ConvertReceiverMode mode = ConvertReceiverMode::kAny,
                        TailCallMode tail_call_mode = TailCallMode::kDisallow);
   static Callable CallWithSpread(Isolate* isolate);
   static Callable CallFunction(
       Isolate* isolate, ConvertReceiverMode mode = ConvertReceiverMode::kAny,
       TailCallMode tail_call_mode = TailCallMode::kDisallow);
   static Callable CallForwardVarargs(Isolate* isolate);
   static Callable CallFunctionForwardVarargs(Isolate* isolate);
+  static Callable ConsoleAssert(Isolate* isolate);

[Igor Sheludko, 2017/04/20 10:18:42]

It will not be necessary if you use CSA::TailCallBuiltin().

   static Callable Construct(Isolate* isolate);
   static Callable ConstructWithSpread(Isolate* isolate);
   static Callable ConstructFunction(Isolate* isolate);
   static Callable CreateIterResultObject(Isolate* isolate);
   static Callable HasProperty(Isolate* isolate);
   static Callable ForInFilter(Isolate* isolate);
 
   static Callable InterpreterPushArgsThenCall(Isolate* isolate,
                                               ConvertReceiverMode receiver_mode,
                                               TailCallMode tail_call_mode,
@@ skipping 18 matching lines @@
 
   static Callable AsyncGeneratorResolve(Isolate* isolate);
   static Callable AsyncGeneratorReject(Isolate* isolate);
   static Callable AsyncGeneratorResumeNext(Isolate* isolate);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_FACTORY_H_