Cleanup deoptimizer relocation slot preparation.

src/x64/deoptimizer-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/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen.h"
 #include "src/safepoint-table.h"
 
 namespace v8 {
 namespace internal {
 
 
 const int Deoptimizer::table_entry_size_ = 10;
 
 
 int Deoptimizer::patch_size() {
   return Assembler::kCallSequenceLength;
 }
 
 
+void Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(Handle<Code> code) {
+  // Empty because there is no need for relocation information for the code
+  // patching in Deoptimizer::PatchCodeForDeoptimization below.
+}
+
+
 void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
   // Invalidate the relocation information, as it will become invalid by the
   // code patching below, and is not needed any more.
   code->InvalidateRelocation();
 
   if (FLAG_zap_code_space) {
     // Fail hard and early if we enter this code object again.
     byte* pointer = code->FindCodeAgeSequence();
     if (pointer != NULL) {
       pointer += kNoCodeAgeSequenceLength;
@@ skipping 307 matching lines @@
   UNREACHABLE();
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64