[Interpreter] Removes ToBoolean bytecode.

src/interpreter/interpreter.cc

 // Copyright 2015 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 "src/interpreter/interpreter.h"
 
 #include "src/code-factory.h"
 #include "src/compiler.h"
 #include "src/compiler/interpreter-assembler.h"
 #include "src/factory.h"
@@ skipping 1056 matching lines @@
 
 // TestInstanceOf <src>
 //
 // Test if the object referenced by the <src> register is an an instance of type
 // referenced by the accumulator.
 void Interpreter::DoTestInstanceOf(compiler::InterpreterAssembler* assembler) {
   DoBinaryOp(Runtime::kInstanceOf, assembler);
 }
 
 
-// ToBoolean
-//
-// Cast the object referenced by the accumulator to a boolean.
-void Interpreter::DoToBoolean(compiler::InterpreterAssembler* assembler) {
-  Node* accumulator = __ GetAccumulator();
-  Node* result = __ CallRuntime(Runtime::kInterpreterToBoolean, accumulator);
-  __ SetAccumulator(result);
-  __ Dispatch();
-}
-
-
 // ToName
 //
 // Cast the object referenced by the accumulator to a name.
 void Interpreter::DoToName(compiler::InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* result = __ CallRuntime(Runtime::kToName, accumulator);
   __ SetAccumulator(result);
   __ Dispatch();
 }
 
@@ skipping 379 matching lines @@
   Node* cache_length = __ LoadFixedArrayElement(for_in_state, 3);
   Node* result = __ CallRuntime(Runtime::kForInDone, index, cache_length);
   __ SetAccumulator(result);
   __ Dispatch();
 }
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8