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Re: perl-5.37.1 breaks texinfo-6.8

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Uwe Düffert
July 10, 2022 21:21
Re: perl-5.37.1 breaks texinfo-6.8
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Dear Karl and perl5-porters,

On Sat, 9 Jul 2022, Karl Williamson wrote:

>> On 7/9/22 02:59, Uwe Düffert wrote:
>>> On Fri, 8 Jul 2022, Karl Williamson wrote:
>>>> Please then try adding the attached patch to your perl, and see if the 
>>>> problem is solved.
>>> Well, I'd say it "modifies" the problem. With perl-5.37.1 with this patch, 
>>> the offending perl command from texinfo does not panic anymore. Instead, 
>>> it creates a 300K and then continues to run with full CPU 
>>> usage forever (or at least until manually terminated after 5min).
> The patch includes instrumentation for non-debugging builds that prints when 
> a publicly accessible function enters and returns, and what it is passed and 
> what it returns.  Please apply and run it and email us the output.
Both your new smoke patches do not apply cleanly to perl-5.37.1 - because 
the "complicating category" part in Perl_setlocale does not exist [I 
suppose yet]. So I can only provide the output of everything besides those 
2 additional lines. This may not be tragic in itself, but I suppose I'm 
missing some relevant git changes to Perl_setlocale then. Anyway, the 
behavior of the texinfo testcase for me is the same with all 3 smoke 
patches and already described above.
When it runs endlessly with full CPU usage, no further output follows and 
everything that was output before is attached.

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