[test] Clean up a couple TODOs.

src/compiler/instruction.h

 // 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.
 
 #ifndef V8_COMPILER_INSTRUCTION_H_
 #define V8_COMPILER_INSTRUCTION_H_
 
 #include <deque>
 #include <iosfwd>
 #include <map>
@@ skipping 720 matching lines @@
   InstructionCode opcode() const { return opcode_; }
   ArchOpcode arch_opcode() const { return ArchOpcodeField::decode(opcode()); }
   AddressingMode addressing_mode() const {
     return AddressingModeField::decode(opcode());
   }
   FlagsMode flags_mode() const { return FlagsModeField::decode(opcode()); }
   FlagsCondition flags_condition() const {
     return FlagsConditionField::decode(opcode());
   }
 
-  // TODO(titzer): make call into a flags.
   static Instruction* New(Zone* zone, InstructionCode opcode) {
     return New(zone, opcode, 0, nullptr, 0, nullptr, 0, nullptr);
   }
 
   static Instruction* New(Zone* zone, InstructionCode opcode,
                           size_t output_count, InstructionOperand* outputs,
                           size_t input_count, InstructionOperand* inputs,
                           size_t temp_count, InstructionOperand* temps) {
     DCHECK(opcode >= 0);
     DCHECK(output_count == 0 || outputs != nullptr);
@@ skipping 612 matching lines @@
 
 
 std::ostream& operator<<(std::ostream& os,
                          const PrintableInstructionSequence& code);
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_INSTRUCTION_H_