I tested using the following test case: PERL5OPT="-Mstrict -Mwarnings" perldoc -f time

When you first mentioned this in the CB, I had access to perl 5.10.x (RHEL/CentOS/Fedora) and 5.14.x (Cywgin on MSWin), both with as-packaged perl versions. A short time later, I was able to test against a Fedora system with perlbrew, and got the following results:

Perl VersionErrors? (Y/n)
5.6.2Y
5.8.9n
5.10.1n
5.12.5Y
5.14.4Y
5.16.3n
5.18.4n
5.19.6n
5.20.1n

Hope that helps.

Update: 2014-12-12
Note: The initial results mentioned were consistent with the results presented in the table.


In reply to Re: making 'use strict' default conflicts with CORE modules/scripts by atcroft
in thread making 'use strict' default conflicts with CORE modules/scripts by LanX

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