Change BKPT and UDF encodings on ARM.

src/trusted/validator_arm/inst_classes_testers.cc

 /*
  * Copyright (c) 2012 The Native Client 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 NACL_TRUSTED_BUT_NOT_TCB
 #error This file is not meant for use in the TCB
 #endif
 
 #include "native_client/src/trusted/validator_arm/inst_classes_testers.h"
@@ skipping 2399 matching lines @@
 ApplySanityChecks(Instruction inst,
                   const NamedClassDecoder& decoder) {
   NC_PRECOND(BarrierInstTester::ApplySanityChecks(inst, decoder));
 
   EXPECT_EQ(static_cast<uint32_t>(0xF), expected_decoder_.option.value(inst))
       << "Expected forbidden operands for option" << InstContents();
 
   return true;
 }
 
-// RoadblockTester
-bool RoadblockTester::ApplySanityChecks(Instruction inst,
+// PermanentlyUndefinedTester
+bool PermanentlyUndefinedTester::ApplySanityChecks(Instruction inst,
                                         const NamedClassDecoder& decoder) {
   // Check if expected class name found.
   NC_PRECOND(CondDecoderTester::ApplySanityChecks(inst, decoder));
 
   return true;
 }
 
 }  // namespace nacl_arm_test