Sub::Uplevel and perl 5.8.8

[Rafael Garcia-Suarez]

On 2/23/06, José Pedro Oliveira <jpo at di.uminho.pt> wrote:
> The perl module Sub::Uplevel is generating warnings under perl 5.8.8
> (this didn't happened with perl 5.8.6 and 5.8.7).  I believe something
> related to caller() must have changed in perl 5.8.8 but I am unable to
> pinpoint the source of the problem (caller appears to be returning undef
> in a new situation).

This is likely to be caused by this bug fix :
http://search.cpan.org/dist/perl/pod/perl588delta.pod#no_warnings_%27category%27_works_correctly_with_-w