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Re: Infinite loop generating QEMU docs after upgrade to Perl 5.28.0


From: Gavin Smith
Subject: Re: Infinite loop generating QEMU docs after upgrade to Perl 5.28.0
Date: Wed, 27 Jun 2018 19:35:12 +0100

On Wed, Jun 27, 2018 at 1:46 PM, Melvin Mawhin
<address@hidden> wrote:
> Since upgrading to perl 5.28 in slackware-current we ran into a bug while
> generating documentation for qemu

There is a message in the logs you attached:

Unescaped left brace in regex is deprecated here (and will be fatal in
Perl 5.32), passed through in regex; marked by <-- HERE in
m/^\s+@([[:alnum:]][[:alnum:]\-]*)({ <-- HERE })?\s*/ at
/usr/share/texinfo/Texinfo/Parser.pm line 5481.
Unescaped left brace in regex is deprecated here (and will be fatal in
Perl 5.32), passed through in regex; marked by <-- HERE in
m/^\s+@([[:alnum:]][[:alnum:]\-]*)({ <-- HERE
})?\s*(\@(c|comment)((\@|\s+).*)?)?/ at
/usr/share/texinfo/Texinfo/Parser.pm line 5485.

Have you tried editing Parser.pm to escape the left brace in the regex?

> I have attached 2 logs, 1 with debug, 1 without

You said "infinite loop" in the title of your email: do the logs
continue on forever or do they stop?



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