It occured to me on the way onto the train that this construct doesn't
need pass_two(). When I get home to more bandwidth I'll cook up a
simplified version that resolves break distance in zend_do_brk_cont() and
frees the labels in do_end_loop().
Okay, simpler/leaner implementation now available. The new version only
touches zend_compile.[ch] and zend_language_parser.y though the
functionality is the same.
http://libssh2.org/patches/true_labeled_break.diff
-Sara
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