diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug502604.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug502604.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+// Binary: cache/js-dbg-32-b4fee3813956-linux
+// Flags: -j
+//
+var aej=new Array( 'A3|297|420', 'dummy|1|1' );
+var aes=aej.length-1,
+aet=new Array();
+for(var i=0; i <= aes; ++i)
+  aet[i] = aej[i].split('|');
+afo=4;
+R=new Array(
+  '17523|2500|275||',
+  '17524|5000|300.3||',
+  '17535|500|207.4|=|120x120|=|=|=|=|=|=|=',
+  '17556|500|349.3|=|A5|=|=|=|=|=|=|='
+);
+var ags = R.length-1;
+px= new Array();
+for(var i=1; i<=ags; i++) {
+  px[i] = R[i].split('|');
+  for(var j=0; j<=11;j++)
+    agt = ank(px[i][afo]);
+}
+function ank(akr) {
+  var XX=YY=0;
+  for(var i=0;i<aet.length;i++)
+    if((XX==0)  &&  (akr.indexOf('x')>0)) {
+      var tt=akr.split('x');
+      XX=tt[0];YY=tt[1]
+    }
+}