Fix false x64 argument index assertion

test/mjsunit/regress/regress-355486.js

Index: test/mjsunit/regress/regress-355486.js
diff --git a/test/mjsunit/regress/regress-347909.js b/test/mjsunit/regress/regress-355486.js
similarity index 57%
copy from test/mjsunit/regress/regress-347909.js
copy to test/mjsunit/regress/regress-355486.js
index 90a8e6a759eab76afef1dc968c814bd9d324b147..4b9d324ffab44928302eb8915c4ee385422e51be 100644
--- a/test/mjsunit/regress/regress-347909.js
+++ b/test/mjsunit/regress/regress-355486.js
@@ -4,16 +4,15 @@
 
 // Flags: --allow-natives-syntax
 
-var a = {y:1.5};
-a.y = 0;
-var b = a.y;
-a.y = {};
-var d = 1;
-function f() {
-  d = 0;
-  return {y: b};
+function __f_17() {

[Igor Sheludko, 2014/03/24 15:33:31]

Please rename identifiers without underscores and numbers.

[Jarin, 2014/03/24 16:36:05]

Done.

+  var __v_0 = arguments[0];
 }
-f();
-f();
-%OptimizeFunctionOnNextCall(f);
-f();
+
+function __f_23() {
+  __f_17();
+}
+
+__f_23();
+__f_23();
+%OptimizeFunctionOnNextCall(__f_23);
+__f_23();