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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: expression function bug or think?
Date: Thu, 16 Jun 2011 22:31:27 +0200
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Date: 2011-06-16T22:31:27+02:00
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* georg bauhaus:

> When I compile the following program with GNAT GPL 2011 on Mac, I
> get confusingly different behavior depending on whether or not I
> suppress checks. *Suppressing* the checks results in the desired
> program behavior. (The effect reminds me of potential for Ariane 5
> gossip—or simply of me being dense.)  When checks are *disabled*
> (-gnatp), the program runs as expected and prints fib(10) = 55.
> When checks are enabled (no -gnatp) I get a constraint error on L.6.
> Optimization does not affect the result, only -gnatp.

Out of curiosity, can you show us the expanded Ada code, using -gnatG?