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pp_enteriter: use efficient SvREFCNT_inc variant
authorDavid Mitchell <davem@iabyn.com>
Fri, 18 Dec 2015 12:34:37 +0000 (12:34 +0000)
committerDavid Mitchell <davem@iabyn.com>
Wed, 3 Feb 2016 09:18:35 +0000 (09:18 +0000)
commit2c49879ec3c26fea291b0d87fd14cdea3709bcc9
tree821e087dba6329206527940b05548adbcf7b3cfc
parentabaf5d5ada4e3983478a6c89f54ed039ef236595
pp_enteriter: use efficient SvREFCNT_inc variant

replace a couple of SvREFCNT_inc() with SvREFCNT_inc_simple_void_NN().

Also add a couple of code comments.
pp_ctl.c