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

src/compiler/raw-machine-assembler.cc

Index: src/compiler/raw-machine-assembler.cc
diff --git a/src/compiler/raw-machine-assembler.cc b/src/compiler/raw-machine-assembler.cc
index dfc985f867b7a3f0823ddb9b52be7b71eb9e5eba..8bd3100a0f1a0d1733e9bd7a0a7e42ded625e642 100644
--- a/src/compiler/raw-machine-assembler.cc
+++ b/src/compiler/raw-machine-assembler.cc
@@ -428,6 +428,7 @@ void RawMachineAssembler::Bind(RawMachineLabel* label) {
   DCHECK(!label->bound_);
   label->bound_ = true;
   current_block_ = EnsureBlock(label);
+  current_block_->set_deferred(label->deferred_);
 }
 
 
@@ -480,11 +481,6 @@ Node* RawMachineAssembler::MakeNode(const Operator* op, int input_count,
   return graph()->NewNodeUnchecked(op, input_count, inputs);
 }
 
-
-RawMachineLabel::RawMachineLabel()
-    : block_(nullptr), used_(false), bound_(false) {}
-
-
 RawMachineLabel::~RawMachineLabel() { DCHECK(bound_ || !used_); }
 
 }  // namespace compiler