Clearly "typeOf" can only handle 1 argument, following patch should
fix this bug, but I wonder if there are better ways of error handling
than "error".
diff --git a/src/interp/i-spec2.boot b/src/interp/i-spec2.boot
index b82cae83..15249526 100644
--- a/src/interp/i-spec2.boot
+++ b/src/interp/i-sp
(18) -> typeOf(())
INFO: Control stack guard page unprotected
Control stack guard page temporarily disabled: proceed with caution
>> System error:
Control stack exhausted (no more space for function call frames).
This is probably due to heavily nested or infinitely recursive function
call
