Throw syntax error when a getter/setter has the wrong number of params

test/preparser/duplicate-property.pyt

 # 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
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@@ skipping 63 matching lines @@
 
   StrictTest("$name-set-set", """
       var o = {set $id1(v){}, set $id2(v){}};
     """, replacement, "accessor_get_set")
 
   StrictTest("$name-nested-get", """
       var o = {get $id1(){}, o: {get $id2(){} } };
     """, replacement, None)
 
   StrictTest("$name-nested-set", """
-      var o = {set $id1(){}, o: {set $id2(){} } };
+      var o = {set $id1(v){}, o: {set $id2(v){} } };
     """, replacement, None)
 
 
 def TestBothWays(name, propa, propb, allow_strict = True):
   PropertyTest(name + "-1", propa, propb, allow_strict)
   PropertyTest(name + "-2", propb, propa, allow_strict)
 
 def TestSame(name, prop, allow_strict = True):
   PropertyTest(name, prop, prop, allow_strict)
 
@@ skipping 58 matching lines @@
 TestBothWays("rounding-down", "1.12512512512512452", "1.1251251251251244")
 TestBothWays("rounding-up", "1.12512512512512453", "1.1251251251251246")
 
 TestBothWays("hex-int-str", "0x20", '"32"')
 TestBothWays("dec-int-str", "32.00", '"32"')
 TestBothWays("exp-int-str", "3.2e1", '"32"')
 TestBothWays("overflow-inf-str", "1e2000", '"Infinity"')
 TestBothWays("underflow-0-str", "1e-2000", '"0"')
 TestBothWays("non-canonical-literal-int-str", "1.0", '"1"')
 TestBothWays("non-canonical-literal-frac-str", "1.50", '"1.5"')