[compiler] Initial TurboFan code stubs for abstract relational comparison.

src/compiler/raw-machine-assembler.cc

 // Copyright 2014 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/compiler/raw-machine-assembler.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/pipeline.h"
 #include "src/compiler/scheduler.h"
@@ skipping 410 matching lines @@
       Linkage::GetSimplifiedCDescriptor(zone(), builder.Build());
   return AddNode(common()->Call(descriptor), arraysize(args), args);
 }
 
 
 void RawMachineAssembler::Bind(RawMachineLabel* label) {
   DCHECK(current_block_ == nullptr);
   DCHECK(!label->bound_);
   label->bound_ = true;
   current_block_ = EnsureBlock(label);
+  current_block_->set_deferred(label->deferred_);
 }
 
 
 BasicBlock* RawMachineAssembler::Use(RawMachineLabel* label) {
   label->used_ = true;
   return EnsureBlock(label);
 }
 
 
 BasicBlock* RawMachineAssembler::EnsureBlock(RawMachineLabel* label) {
@@ skipping 32 matching lines @@
   return node;
 }
 
 Node* RawMachineAssembler::MakeNode(const Operator* op, int input_count,
                                     Node* const* inputs) {
   // The raw machine assembler nodes do not have effect and control inputs,
   // so we disable checking input counts here.
   return graph()->NewNodeUnchecked(op, input_count, inputs);
 }
 
-
-RawMachineLabel::RawMachineLabel()
-    : block_(nullptr), used_(false), bound_(false) {}
-
-
 RawMachineLabel::~RawMachineLabel() { DCHECK(bound_ || !used_); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8