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[perl #130010] v5.25.5-184-ga5540cf breaks texinfo

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James E Keenan via RT
November 7, 2016 13:48
[perl #130010] v5.25.5-184-ga5540cf breaks texinfo
Message ID:
On Mon, 07 Nov 2016 10:21:33 GMT, wrote:
> Le Thu, 03 Nov 2016 13:52:10 -0700, jkeenan a écrit :
> > mat:  Could you explore what happens when you try to
> > configure/make/make check texinfo in an environment where
> > Unicode::EastAsianWidth is already installed against what texinfo's
> > ./configure believes to be $PERL?
> Friday, RT was down, so I could not comment, but installing
> Unicode::EastAsianWidth does not help.
> There is only one Perl installed in the testbed, it is the problematic
> Perl 5.25, and it is /usr/local/bin/perl, and ./configure does find it
> without problems.

Agreed.  In the hope that others may help with this debugging effort, I am attaching several files:

* 130010_debugging_procedures.pod, which has step-by-step instructions as to how to reproduce the failures in the texinfo test suite.

*  Shell script (adapted from rafl and khw) for installing a perl built at the failing commit.

* dollar-tree.txt and dollar-converter.txt:  Referenced in 130010_debugging_procedures.pod

The question is:  What is it about this the pattern:


... that (a) as of commit C<a5540cf> but not previously; and (b) in the context of this test suite but not in isolation, perceives something to be a read-only value not subject to modification?

Thank you very much.

James E Keenan (

via perlbug:  queue: perl5 status: open

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