According to the error report, I would guess that a regular expression is not being escaped properly. It appears that a number prefixed by a backslash is causing it problems (see the '\5 <-- HERE' in test output) around line 60 of aliased::factory. This is also supported by the large numbers of passes on *nix and failures on Windows.

In fact, the error appears to be in the line

    ($err = $@) =~ s/ at $f line \d+\.\n//;
[download]

I believe that it should be (untested)

    ($err = $@) =~ s/ at \Q$f\E line \d+\.\n//;
[download]

Update: Had \Q and \E reversed. perlre

Update2: Bug report submitted.

A test should probably be written (if possible) to reproduce this as part of the patch package. HTH.

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