[turbofan] Next step towards shared operators.

src/compiler/js-context-specialization.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/common-operator.h"
 #include "src/compiler/generic-node-inl.h"
 #include "src/compiler/graph-inl.h"
 #include "src/compiler/js-context-specialization.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/node-aux-data-inl.h"
@@ skipping 63 matching lines @@
   for (int i = access.depth(); i > 0; --i) {
     context = context->previous();
   }
 
   // If the access itself is mutable, only fold-in the parent.
   if (!access.immutable()) {
     // The access does not have to look up a parent, nothing to fold.
     if (access.depth() == 0) {
       return Reducer::NoChange();
     }
-    Operator* op = jsgraph_->javascript()->LoadContext(0, access.index(),
-                                                       access.immutable());
+    const Operator* op = jsgraph_->javascript()->LoadContext(
+        0, access.index(), access.immutable());
     node->set_op(op);
     Handle<Object> context_handle = Handle<Object>(context, info_->isolate());
     node->ReplaceInput(0, jsgraph_->Constant(context_handle));
     return Reducer::Changed(node);
   }
   Handle<Object> value =
       Handle<Object>(context->get(access.index()), info_->isolate());
 
   // Even though the context slot is immutable, the context might have escaped
   // before the function to which it belongs has initialized the slot.
@@ skipping 25 matching lines @@
   if (access.depth() == 0) {
     return Reducer::NoChange();
   }
 
   // Find the right parent context.
   Context* context = *m.Value().handle();
   for (int i = access.depth(); i > 0; --i) {
     context = context->previous();
   }
 
-  Operator* op = jsgraph_->javascript()->StoreContext(0, access.index());
+  const Operator* op = jsgraph_->javascript()->StoreContext(0, access.index());
   node->set_op(op);
   Handle<Object> new_context_handle = Handle<Object>(context, info_->isolate());
   node->ReplaceInput(0, jsgraph_->Constant(new_context_handle));
 
   return Reducer::Changed(node);
 }
-}
-}
-}  // namespace v8::internal::compiler
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8