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From: Jano <nono@celes.unizar.es>
Newsgroups: comp.lang.ada
Subject: Gnat 3.15p bugs (was: ADA vs JAVA sockets)
Date: Thu, 8 Jan 2004 15:31:01 +0100
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Duncan Sands dice...
> On Wednesday 07 January 2004 20:44, Pascal Obry wrote:
> > Duncan Sands <baldrick@free.fr> writes:
> > > GNAT Sockets in 3.15p is full of bugs.
> >
> > AWS works just fine with 3.15p, so saying that GNAT Sockets in 3.15p is
> > full of bugs is certainly pushing a bit!
> 
> OK, Check_Selector is full of bugs (this is fixed in gcc CVS).  

If I had knew of this some months ago... by then I rediscovered this bug 
myself the hard way.

BTW, is somewhere a knowledge base or something about bugs in 3.15p? In 
a middle sized hobby project I've stumbled across these:

* The unreliable delays in NT
* The Check_selector bug

These are bad because can go unnoticed for quite time, and the first one 
was specially hard to track down. Sad enough, once I figured what was 
happening (by asking here, BTW, after a lot of tests), it was made 
evident that it was not a bug unheard-of.

About errors during compilation, I've had gnat crashing several times 
when compiling generics with protected types, but I couldn't extract the 
exact reasons for this. Just moved some declarations around and it 
worked.  

To have foreknowledge of these problems is obviously very interesting as 
it can save many, many time.