[crankshaft] Delete unused Hydrogen-BCH code

src/crankshaft/arm64/lithium-arm64.cc

 // Copyright 2013 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/crankshaft/arm64/lithium-arm64.h"
 
 #include <sstream>
 
 #include "src/crankshaft/arm64/lithium-codegen-arm64.h"
 #include "src/crankshaft/hydrogen-osr.h"
@@ skipping 801 matching lines @@
 
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* left_operand = UseFixed(left, x1);
   LOperand* right_operand = UseFixed(right, x0);
   LArithmeticT* result =
       new(zone()) LArithmeticT(op, context, left_operand, right_operand);
   return MarkAsCall(DefineFixed(result, x0), instr);
 }
 
 
-LInstruction* LChunkBuilder::DoBoundsCheckBaseIndexInformation(
-    HBoundsCheckBaseIndexInformation* instr) {
-  UNREACHABLE();
-  return NULL;
-}
-
-
 LInstruction* LChunkBuilder::DoAccessArgumentsAt(HAccessArgumentsAt* instr) {
   info()->MarkAsRequiresFrame();
   LOperand* args = NULL;
   LOperand* length = NULL;
   LOperand* index = NULL;
 
   if (instr->length()->IsConstant() && instr->index()->IsConstant()) {
     args = UseRegisterAtStart(instr->arguments());
     length = UseConstant(instr->length());
     index = UseConstant(instr->index());
@@ skipping 1826 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoStoreFrameContext(HStoreFrameContext* instr) {
   LOperand* context = UseRegisterAtStart(instr->context());
   return new(zone()) LStoreFrameContext(context);
 }
 
 
 }  // namespace internal
 }  // namespace v8