#!perl -X use strict; use warnings; use Test::More tests => 2; use Data::Dumper; { my $q = q| \/ |; use Data::Dumper; my $qr = qr{$q}; { no strict 'vars'; eval Dumper $qr; } ok(!$@, "Dumping $qr with XS") or diag $@, Dumper $qr; local $Data::Dumper::Useperl = 1; { no strict 'vars'; eval Dumper $qr; } ok(!$@, "Dumping $qr with PP") or diag $@, Dumper $qr; }