Daniel Rosen <drose...@gmail.com> writes:

>> -----Original Message-----
>> From: David Kastrup [mailto:d...@gnu.org]
>> Sent: Saturday, June 13, 2015 5:23 AM
>> To: Andrew Bernard
>> Cc: Daniel Rosen; lilypond-user@gnu.org
>> Subject: Re: "Assertion failed!"
>> 
>> Andrew Bernard <andrew.bern...@gmail.com> writes:
>> 
>> > Hi David,
>> >
>> > The one I have reported dumps core. So pretty much a fatal error.
>> 
>> Assertion failures always dump core.  The idea is that they dump core at a
>> point of time where one is still reasonably close to the problem
>> rather than at
>> some arbitrary point later.
>> 
>> A core dump can be used for analyzing the state of the program at the point
>> of the core dump.
>> 
>> > But it is good to know the program behaviour has been altered and that
>> > accounts for why we are suddenly seeing assertion failures when they
>> > occur.
>> 
>> The difference is just that the production version of LilyPond no longer
>> ignores assertions and just crosses fingers.
>> 
>> Some assertions might warrant converting into programming errors, some
>> assertions might warrant finding the cause and either fixing it or putting up
>> some sensible continuation strategy.
>> 
>> At any rate, the failed assertions will not go away by themselves:
>> making suitable small examples and reporting them on the bug reporting list
>> will give developers a chance to look at them as they occur.
>
> Would it still be helpful for me to submit a bug report, or have you
> now identified an existing issue as the culprit?

I haven't.  That code is not my area of expertise.

-- 
David Kastrup

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