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Postings from January 2017
On Fri, Jan 27, 2017 at 10:25:22AM +0100, demerphq wrote:
> So fixed in:
>
> commit 31fc93954d1f379c7a49889d91436ce99818e1f6
> Author: Yves Orton <demerphq@gmail.com>
> Date: Fri Jan 27 10:18:51 2017 +0100
>
> fix RT #130561 - recursion and optimising away impossible
> quantifiers are not friends
>
> Instead of optimising away impossible quantifiers like (foo){1,0} treat them
> as unquantified, and guard them with an OPFAIL. Thus /(foo){1,0}/ is treated
That commit makes pat_rt_report.t produce noise on stderr:
$ ./perl -Ilib t/harness t/re/pat_rt_report.t
re/pat_rt_report.t .. Quantifier {n,m} with n > m can't match in regex; marked by <-- HERE in m/(foo){1,0} <-- HERE |(?1)/ at re/pat_rt_report.t line 1140.
re/pat_rt_report.t .. ok
All tests successful.
Files=1, Tests=2504, 2 wallclock secs ( 0.33 usr 0.00 sys + 1.18 cusr 0.03 csys = 1.54 CPU)
Result: PASS
Presumably 'no warnings "regex"' or similar is called for here?
--
Art is anything that has a label (especially if the label is "untitled 1")
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