Handle super call to unary operators

runtime/vm/ast.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_AST_H_
 #define VM_AST_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
@@ skipping 440 matching lines @@
 // field access nodes.
 class PrimaryNode : public AstNode {
  public:
   PrimaryNode(intptr_t token_pos, const Object& primary)
       : AstNode(token_pos), primary_(primary) {
     ASSERT(primary_.IsZoneHandle());
   }
 
   const Object& primary() const { return primary_; }
 
+  bool IsSuper() const {
+    return primary().IsString() && (primary().raw() == Symbols::Super());
+  }
+
   virtual void VisitChildren(AstNodeVisitor* visitor) const;
 
   DECLARE_COMMON_NODE_FUNCTIONS(PrimaryNode);
 
  private:
   const Object& primary_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PrimaryNode);
 };
 
@@ skipping 1239 matching lines @@
   const LocalVariable& context_var_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(InlinedFinallyNode);
 };
 
 }  // namespace dart
 
 #undef DECLARE_COMMON_NODE_FUNCTIONS
 
 #endif  // VM_AST_H_