patch 8.1.0661: clipboard regexp might be used recursivelyv8.1.0661

Problem:    Clipboard regexp might be used recursively.
Solution:   Check for recursive use and bail out.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/proto/regexp.pro b/src/proto/regexp.pro
index d22a83b0e..a33fdd989 100644
--- a/src/proto/regexp.pro
+++ b/src/proto/regexp.pro
@@ -13,6 +13,7 @@ char_u *reg_submatch(int no);
 list_T *reg_submatch_list(int no);
 regprog_T *vim_regcomp(char_u *expr_arg, int re_flags);
 void vim_regfree(regprog_T *prog);
+int regprog_in_use(regprog_T *prog);
 int vim_regexec_prog(regprog_T **prog, int ignore_case, char_u *line, colnr_T col);
 int vim_regexec(regmatch_T *rmp, char_u *line, colnr_T col);
 int vim_regexec_nl(regmatch_T *rmp, char_u *line, colnr_T col);