[Interpreter] Removes ToBoolean bytecode.

src/compiler/bytecode-graph-builder.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/compiler/bytecode-graph-builder.h"
 
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 1074 matching lines @@
 
 
 void BytecodeGraphBuilder::BuildCastOperator(
     const Operator* js_op, const interpreter::BytecodeArrayIterator& iterator) {
   Node* node = NewNode(js_op, environment()->LookupAccumulator());
   AddEmptyFrameStateInputs(node);
   environment()->BindAccumulator(node);
 }
 
 
-void BytecodeGraphBuilder::VisitToBoolean(
-    const interpreter::BytecodeArrayIterator& iterator) {
-  BuildCastOperator(javascript()->ToBoolean(ToBooleanHint::kAny), iterator);
-}
-
-
 void BytecodeGraphBuilder::VisitToName(
     const interpreter::BytecodeArrayIterator& iterator) {
   BuildCastOperator(javascript()->ToName(), iterator);
 }
 
 
 void BytecodeGraphBuilder::VisitToNumber(
     const interpreter::BytecodeArrayIterator& iterator) {
   BuildCastOperator(javascript()->ToNumber(), iterator);
 }
@@ skipping 211 matching lines @@
 
 void BytecodeGraphBuilder::UpdateControlDependencyToLeaveFunction(Node* exit) {
   if (environment()->IsMarkedAsUnreachable()) return;
   environment()->MarkAsUnreachable();
   exit_controls_.push_back(exit);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8