Fix sloppy-mode 'const' under Harmony flag.

src/parser.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1545 matching lines @@
   // same variable if it is declared several times. This is not a
   // semantic issue as long as we keep the source order, but it may be
   // a performance issue since it may lead to repeated
   // Runtime::DeclareContextSlot() calls.
   declaration_scope->AddDeclaration(declaration);
 
   if (mode == CONST && declaration_scope->is_global_scope()) {
     // For global const variables we bind the proxy to a variable.
     ASSERT(resolve);  // should be set by all callers
     Variable::Kind kind = Variable::NORMAL;
-    var = new(zone()) Variable(declaration_scope,
-                               name,
-                               mode,
-                               true,
-                               kind,
-                               kNeedsInitialization);
+    var = new(zone()) Variable(
+        declaration_scope, name, mode, true, kind,
+        kNeedsInitialization, proxy->interface());
   } else if (declaration_scope->is_eval_scope() &&
              declaration_scope->is_classic_mode()) {
     // For variable declarations in a non-strict eval scope the proxy is bound
     // to a lookup variable to force a dynamic declaration using the
     // DeclareContextSlot runtime function.
     Variable::Kind kind = Variable::NORMAL;
-    var = new(zone()) Variable(declaration_scope,
-                               name,
-                               mode,
-                               true,
-                               kind,
-                               declaration->initialization());
+    var = new(zone()) Variable(
+        declaration_scope, name, mode, true, kind,
+        declaration->initialization(), proxy->interface());
     var->AllocateTo(Variable::LOOKUP, -1);
     resolve = true;
   }
 
   // If requested and we have a local variable, bind the proxy to the variable
   // at parse-time. This is used for functions (and consts) declared inside
   // statements: the corresponding function (or const) variable must be in the
   // function scope and not a statement-local scope, e.g. as provided with a
   // 'with' statement:
   //
@@ skipping 4325 matching lines @@
       ASSERT(info()->isolate()->has_pending_exception());
     } else {
       result = ParseProgram();
     }
   }
   info()->SetFunction(result);
   return (result != NULL);
 }
 
 } }  // namespace v8::internal