[turbofan] Pass scope infos as static operator parameters.

src/compiler/operator.h

 // Copyright 2013 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.
 
 #ifndef V8_COMPILER_OPERATOR_H_
 #define V8_COMPILER_OPERATOR_H_
 
 #include <ostream>  // NOLINT(readability/streams)
 
 #include "src/base/flags.h"
@@ skipping 199 matching lines @@
                              Handle<HeapObject>::hash>*>(op)->parameter();
 }
 
 template <>
 inline Handle<String> const& OpParameter(const Operator* op) {
   return reinterpret_cast<const Operator1<
       Handle<String>, Handle<String>::equal_to, Handle<String>::hash>*>(op)
       ->parameter();
 }
 
+template <>
+inline Handle<ScopeInfo> const& OpParameter(const Operator* op) {
+  return reinterpret_cast<
+             const Operator1<Handle<ScopeInfo>, Handle<ScopeInfo>::equal_to,
+                             Handle<ScopeInfo>::hash>*>(op)->parameter();
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPERATOR_H_