X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/080d4cd33c54d1513da5714055bbc43ff4e3841d..f45adb7919ea18d4d76c6cffaf31c1d90a103a48:/embed.fnc

diff --git a/embed.fnc b/embed.fnc
index c83c0a3..68e5ecd 100644
--- a/embed.fnc
+++ b/embed.fnc
@@ -1377,7 +1377,7 @@ EsMR	|IV	|invlist_search	|NN SV* const invlist|const UV cp
 #endif
 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_UTF8_C)
 EXpM	|void	|_invlist_intersection	|NN SV* const a|NN SV* const b|NN SV** i
-EXpM	|void	|_invlist_union	|NN SV* const a|NN SV* const b|NN SV** output
+EXpM	|void	|_invlist_union	|NULLOK SV* const a|NN SV* const b|NN SV** output
 EXpM	|void	|_invlist_subtract|NN SV* const a|NN SV* const b|NN SV** result
 EXpM	|void	|_invlist_invert|NN SV* const invlist
 EXpM	|void	|_invlist_invert_prop|NN SV* const invlist