perlcc My_grammar.pl -O -C
Unknown option: C
/usr/bin/perlcc: My_grammar.pl did not compile, which can't happen:
Prescan
 Saving methods
 Can't call method "save" on unblessed reference at /usr/lib/perl5/5.6.1/cygwin-multi/B/C.pm line 582.
 CHECK failed--call queue aborted.