From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00
	autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED.rUv2qDxUVshbc65mXwsuow.user.gioia.aioe.org!not-for-mail
From: russ lyttle <lyttlec@removegmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Gnat Problem - Freezing too soon
Date: Sun, 3 Mar 2019 19:33:16 -0500
Organization: Aioe.org NNTP Server
Message-ID: <q5hroa$1u7k$1@gioia.aioe.org>
References: <q599k3$1t6e$1@gioia.aioe.org> <lyfts7ip5u.fsf@pushface.org>
 <q59m9r$1npo$1@gioia.aioe.org>
 <2c369d78-70ea-4593-af3d-e014b0c1fc00@googlegroups.com>
 <q5bf53$1iic$1@gioia.aioe.org>
 <bba6782d-d9da-44ad-af51-039ff8b4be37@googlegroups.com>
 <q5c9eg$1fsp$1@gioia.aioe.org>
 <4081906e-91de-43fa-a816-067f707c6d7d@googlegroups.com>
 <q5cutj$bd2$1@gioia.aioe.org>
 <161c749f-b9db-465f-8ffe-7900d3a4bff5@googlegroups.com>
 <q5eogs$eaq$1@gioia.aioe.org> <lyk1hhgds8.fsf@pushface.org>
 <q5he73$3jm$1@gioia.aioe.org> <lyfts3hcp0.fsf@pushface.org>
NNTP-Posting-Host: rUv2qDxUVshbc65mXwsuow.user.gioia.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: abuse@aioe.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101
 Thunderbird/60.5.1
X-Notice: Filtered by postfilter v. 0.9.2
Content-Language: en-US
Xref: reader01.eternal-september.org comp.lang.ada:55776
Date: 2019-03-03T19:33:16-05:00
List-Id: <comp.lang.ada>

On 3/3/19 4:26 PM, Simon Wright wrote:
> russ lyttle <lyttlec@removegmail.com> writes:
> 
>> On 3/2/19 4:35 PM, Simon Wright wrote:
> 
>>> With regard to
>>>
>>>      protected type Sporadic_Agent (S: Any_Sporadic_State)
>>>      with Priority => S.Ceiling_Prioriy
>>>      is
>>>
>>> all the compilers are seriously confused:
>>>
>>>      sporadics.ada:30:22: no selector "Ceiling_Prioriy" for type "Sporadic_State'Class" defined at line 17
>>>      sporadics.ada:30:23: possible misspelling of "Ceiling_Priority"
>>>      sporadics.ada:30:23: possible misspelling of "Ceiling_Priority"
>>>      sporadics.ada:30:23: possible misspelling of "Ceiling_Priority"
>>>
>>> and you only have to look at the task equivalent above to see that it
>>> should have been OK. This one looks like another compiler error to me.
>>>
>> There is a misspelling: Prioriy => Priority. Correct that misspelling
>> and the idiom _sometimes_ works without the "not null".
> 
> Oh dear. Colour _me_ confused.
> 
>> The bug report had an instance of where the compiler failed. Would it
>> be helpful to add an instance where it passed?
> 
> Maybe so, I read once that the experts 'merely' fire up the compiler
> under the debugger and go straight to the source of the problem. Scary.
> That said, I don't see that it could hurt.
>   It looks like it was two separate bugs involving "with Priority". One 
was fixed, but a new one introduced. "not null" fixes the new one.