Fix a bug in named getter/setter compilation.

test/mjsunit/regress/regress-1583.js

Index: test/mjsunit/regress/regress-1583.js
diff --git a/test/mjsunit/regress/regress-1583.js b/test/mjsunit/regress/regress-1583.js
index 484955524c24c58952ebffce995f6e041883f83d..c4a344ccf8970b183ca99a6edec992069144b438 100644
--- a/test/mjsunit/regress/regress-1583.js
+++ b/test/mjsunit/regress/regress-1583.js
@@ -48,3 +48,10 @@ 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);