From: swarsmatt AT aol DOT com (SWars Matt)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: G++ bugs?
Date: 30 Nov 1997 23:31:34 GMT
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Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> wrote:>On 28 Nov 1997, SWars Matt wrote:
>
>> In method `class vector * dynam_sys::runge_kutta_4(class vector *,
>double)':
>> dynsys.cpp(24) Error: Internal compiler error.
>> dynsys.cpp(24) Error: Please submit a full bug report to
>> `bug-g++@prep.ai.mit.edu'
>[snip]
>> Can anyone tell me what, if anything, I can do about this?
>
>Some guidance is available in the DJGPP FAQ list (v2/faq210b.zip from
>the same place you get DJGPP), section 6.4.
>
>> I don't know what kind 
>> of bug report to send because I have no idea what is causing the error.
>
>It is not necessary for you to understand exactly what's the cause of
>the problem.  The compiler says clearly where in the source did it
>barf, so it should be a relatively simple matter to mail a program
>that exhibits this behavior to the maintainers.
>
>I'd advise to read the chapter about reporting bugs in the gcc on-line
>manual (from the DOS prompt type "info gcc bugs" and read there)
>before sending the bug report.  Posting a short program that exhibits
>the problem, or a code fragment where the compiler dies, to this forum
>is also a good idea.

It turns out that when I disable -funroll-loops I don't get the error message.
When I looked, this was already documented in the info page on bugs, so I don't
guess I need to file a bug report.