Initialize cx.interpreterSourceFile with script o r function source name before starting bytecode execution so this information for the first script throw/runtime exception

git-svn-id: svn://10.0.0.236/trunk@145539 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/js/rhino/src/org/mozilla/javascript/Interpreter.java

@@ -1703,6 +1703,8 @@ public class Interpreter {
             debuggerFrame.onEnter(cx, scope, thisObj, args);
         }
 
+        cx.interpreterSourceFile = idata.itsSourceFile;
+
         Object result = undefined;
         // If javaException != null on exit, it will be throw instead of
         // normal return