Patrick Goldmann <patrick.goldmann@gmail.com> writes:

> While trying to open files (with cperl-mode, perl-mode works)
> containing comments of this sort, emacs hangs.

Unfortunately I can not reproduce this.  I tried on Windows with exactly
the same Emacs version with the attached file, and it works as expected.

Can you pleas try this file, and provide a file where Emacs hanvs?
--
Cheers,
haj