[Code Stubs] Convert FastNewClosureStub to a TurboFanCodeStub.

src/compiler/code-assembler.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/compiler/code-assembler.h"
 
 #include <ostream>
 
 #include "src/code-factory.h"
 #include "src/compiler/graph.h"
@@ skipping 676 matching lines @@
           RawMachineLabel*[case_count];
   for (size_t i = 0; i < case_count; ++i) {
     labels[i] = case_labels[i]->label_;
     case_labels[i]->MergeVariables();
     default_label->MergeVariables();
   }
   return raw_assembler_->Switch(index, default_label->label_, case_values,
                                 labels, case_count);
 }
 
+Node* CodeAssembler::Select(Node* condition, Node* true_value,
+                            Node* false_value, MachineRepresentation rep) {
+  Variable value(this, rep);
+  Label vtrue(this), vfalse(this), end(this);
+  Branch(condition, &vtrue, &vfalse);
+
+  Bind(&vtrue);
+  {
+    value.Bind(true_value);
+    Goto(&end);
+  }
+  Bind(&vfalse);
+  {
+    value.Bind(false_value);
+    Goto(&end);
+  }
+
+  Bind(&end);
+  return value.value();
+}
+
 // RawMachineAssembler delegate helpers:
 Isolate* CodeAssembler::isolate() const { return raw_assembler_->isolate(); }
 
 Factory* CodeAssembler::factory() const { return isolate()->factory(); }
 
 Graph* CodeAssembler::graph() const { return raw_assembler_->graph(); }
 
 Zone* CodeAssembler::zone() const { return raw_assembler_->zone(); }
 
 // The core implementation of Variable is stored through an indirection so
@@ skipping 141 matching lines @@
       }
     }
   }
 
   bound_ = true;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8