Fix a bug in named getter/setter compilation.

test/mjsunit/regress/regress-1583.js

 // Copyright 2011 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 30 matching lines @@
   }
   return x;
 }
 
 var o = f();
 assertEquals('hest', o.m());
 assertEquals('hest', o.m());
 assertEquals('hest', o.m());
 %OptimizeFunctionOnNextCall(o.m);
 assertEquals('hest', o.m());
+
+// Fixing the bug above introduced (revealed?) an inconsistency in named
+// getters and setters.  The property name was also treated as a function
+// name.
+var global = 'horse';
+var p = { get global() { return global; }};
+assertEquals('horse', p.global);