B::Xref 
$ cat script.pl 
use Carp;
carp(777);

$ perl -MO=Xref script.pl
File ..../linux/x86_64/5u5/lib/perl5/5.12.2/Carp.pm
  Subroutine Carp::carp

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In reply to Re: Which module contains an imported subroutine by toolic
in thread Which module contains an imported subroutine by john.deighan

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