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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: Can anyone help with GNAT.Perfect_Hash_Generators ? (Possible
 memory corruption)
Date: Tue, 06 Sep 2016 21:52:01 +0200
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Date: 2016-09-06T21:52:01+02:00
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* Natasha Kerensikova:

> So at this my conclusion is that GNAT.Perfect_Hash_Generators somehow
> works fine with 1-based string, but has trouble dealing with strings
> with larger indices.

Yes, that's reasonable to assume.  It's a relatively common source of
bugs in Ada library code.

One way to pin-point this further is to makea copy of the
g-pehage.ads, g-pehage.adb files, rename the package, and compile it
as part of your project, so that the usual Ada checks aren't
eliminated.