--- /dev/null
+--!!! tests calls of `error' (that make calls of `error'...)
+--
+main = error ("1st call to error\n"++(
+ error ("2nd call to error\n"++(
+ error ("3rd call to error\n"++(
+ error ("4th call to error\n"++(
+ error ("5th call to error\n"++(
+ error ("6th call to error"
+ )))))))))))