perl5160delta: Document wrap_op_checker

This was added in e8570548af4, but was somehow missed from
perl5158delta.

diff --git a/Porting/perl5160delta.pod b/Porting/perl5160delta.pod
index 9f0ffbd..3fcce0b 100644 (file)
--- a/Porting/perl5160delta.pod
+++ b/Porting/perl5160delta.pod
@@ -1940,6 +1940,11 @@ The regular expression engine now does TRIE case insensitive matches
 under Unicode. This may change the output of C<< use re 'debug'; >>,
 and will speed up various things.
 
+=item *
+
+There is a new C<wrap_op_checker()> function, which provides a thread-safe
+alternative to writing to C<PL_check> directly.
+
 =back
 
 =head1 Selected Bug Fixes