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From: G. B. <nonlegitur@nmhp.invalid>
Newsgroups: comp.lang.ada
Subject: Re: Finalization of library level tasks
Date: Thu, 19 Apr 2018 20:39:24 -0000 (UTC)
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AdaMagica <christ-usch.grein@t-online.de> wrote:
> Am Sonntag, 15. April 2018 17:15:22 UTC+2 schrieb Dmitry A. Kazakov:
>> e.g. fooling the accessibility rules of the access type, some sort of 
>> Unchecked_Allocation. Ada 83 had pragma Controlled to require the 
>> compiler to keep its hands off, alas, it was removed.
> 
> This pragma was never implemented by any compiler (because there never
> was a garbage collector implemented and the pragma was intended to tell
> the GC to keep its hand off).
> 

Both AdaMagic and GNAT can compile for the JVM.
GNAT also targets .NET. These are GC targets.
It’s not big business, seemingly, but then what is.