[runtime] First step to sanitize regexp literal creation.

src/crankshaft/x64/lithium-x64.cc

 // Copyright 2012 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/x64/lithium-x64.h"
 
 #include <sstream>
 
 #if V8_TARGET_ARCH_X64
 
@@ skipping 2454 matching lines @@
   LOperand* context = UseAny(instr->context());
   LOperand* size = instr->size()->IsConstant()
       ? UseConstant(instr->size())
       : UseTempRegister(instr->size());
   LOperand* temp = TempRegister();
   LAllocate* result = new(zone()) LAllocate(context, size, temp);
   return AssignPointerMap(DefineAsRegister(result));
 }
 
 
-LInstruction* LChunkBuilder::DoRegExpLiteral(HRegExpLiteral* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  LRegExpLiteral* result = new(zone()) LRegExpLiteral(context);
-  return MarkAsCall(DefineFixed(result, rax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
   DCHECK(argument_count_ == 0);
   allocator_->MarkAsOsrEntry();
   current_block_->last_environment()->set_ast_id(instr->ast_id());
   return AssignEnvironment(new(zone()) LOsrEntry);
 }
 
 
 LInstruction* LChunkBuilder::DoParameter(HParameter* instr) {
   LParameter* result = new(zone()) LParameter;
@@ skipping 199 matching lines @@
   LAllocateBlockContext* result =
       new(zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, rsi), instr);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64