[armedbear-devel] bug in FASL loader

[Durward McDonell]

Hello.

I believe I have found a bug in FASL loading, with respect
to *read-base* being reset. At least, I get the behavior I
expect in sbcl, and not in abcl.

Consider the following code:

(defmacro foo-bar (s)
   `(sublis '((foo . bar)) ,s))

(defun foo-bar-rb ()
   (let ((*read-base* #x10)
         (it (read)))
     (eval it)))

Load this code, then execute (foo-bar-rb).
It will wait for input. Type (foo-bar '(foo)).
I would expect this to evaluate to (bar), but
abcl gives a FASL version mismatch, where it
seems that it is reading the FASL in the new
base (16 instead of 10), and reports "found '56'
but expected '38' in sublis".

-- 
Durward McDonell
durward.mcdonell at jhuapl.edu
240-228-2690 (DC)
443-778-2690 (Balt.)


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