Re: [Chicken-users] Optimizer bug

[Felix]

From: Sven Hartrumpf <address@hidden>
Subject: Re: [Chicken-users] Optimizer bug
Date: Sun, 05 Sep 2010 10:02:46 +0200 (CEST)

> Sat, 04 Sep 2010 20:30:07 +0200 (CEST), hartrumpf wrote:
>> Sat, 04 Sep 2010 12:19:48 +0200 (CEST), felix wrote:
>>> Are these redefinitions genuine or are the warnings bogus?
>> 
>> The warnings are ok because I define the three functions myself.
>> Can this be a problem here? 

This can always be a problem, since the compiler is treating these
as builtin ("standard-bindings") and will replace their use with
his own variants.

>>>> Error: (=) bad argument type - not a number: #f
>>>> 
>>>>   Call history:
>>>> 
>>>>   <syntax>     (string-append (quote "/") (quote #f))
>>>>   <syntax>     (quote "/")
>>>>   <syntax>     (##core#quote "/")
>>>>   <syntax>     (quote #f)
>>>>   <syntax>     (##core#quote #f)
>>>>   <eval>    (string-append (quote "/") (quote #f))
>>>>   <syntax>     (string->number (quote #f))
>>>>   <syntax>     (quote #f)
>>>>   <syntax>     (##core#quote #f)
>>>>   <eval>    (string->number (quote #f)) <--
>>> 
>>> This is during constant folding.
> 
> In the compiler output lines "folding constant expression:",
> the above string-append expression does not occur.
> 

Can you send me the output of "-debug hoplite"?
Do you define a global constant that holds "/" or #\/? How
is it named?


cheers,
felix