[perl #132650] [POD]=begin comment/=end comment blocks ought to nest

[via RT]

# New Ticket Created by  Tom Browder 
# Please include the string:  [perl #132650]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=132650 >


Given this nqp code:

=begin comment
     some code
     ...
     =begin comment
     some more code
     ...
     =end comment
     some more code
     ..l
=end comment

Trying to execute it fails with a msg saying roughly “found a begin comment
before an end comment.”