[Interpreter] Removes assignment hazard scope.

src/interpreter/bytecode-array-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/interpreter/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 1137 matching lines @@
     // If there is a free register < start_index
     index--;
   }
 
   int retval = *index;
   free_temporaries_.erase(index);
   return retval;
 }
 
 
-int BytecodeArrayBuilder::AllocateAndBorrowTemporaryRegister() {
-  temporary_register_count_ += 1;
-  return last_temporary_register().index();
-}
-
-
 void BytecodeArrayBuilder::BorrowConsecutiveTemporaryRegister(int reg_index) {
   DCHECK(free_temporaries_.find(reg_index) != free_temporaries_.end());
   free_temporaries_.erase(reg_index);
 }
 
 
 void BytecodeArrayBuilder::ReturnTemporaryRegister(int reg_index) {
   DCHECK(free_temporaries_.find(reg_index) == free_temporaries_.end());
   free_temporaries_.insert(reg_index);
 }
@@ skipping 458 matching lines @@
   } else {
     allocated = builder_->BorrowTemporaryRegisterNotInRange(
         next_consecutive_register_,
         next_consecutive_register_ + next_consecutive_count_ - 1);
   }
   allocated_.push_back(allocated);
   return Register(allocated);
 }
 
 
-Register TemporaryRegisterScope::AllocateNewRegister() {
-  int allocated = builder_->AllocateAndBorrowTemporaryRegister();
-  allocated_.push_back(allocated);
-  return Register(allocated);
-}
-
-
 bool TemporaryRegisterScope::RegisterIsAllocatedInThisScope(
     Register reg) const {
   for (auto i = allocated_.begin(); i != allocated_.end(); i++) {
     if (*i == reg.index()) return true;
   }
   return false;
 }
 
 
 void TemporaryRegisterScope::PrepareForConsecutiveAllocations(size_t count) {
@@ skipping 10 matching lines @@
   DCHECK_GT(next_consecutive_count_, 0);
   builder_->BorrowConsecutiveTemporaryRegister(next_consecutive_register_);
   allocated_.push_back(next_consecutive_register_);
   next_consecutive_count_--;
   return Register(next_consecutive_register_++);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8