patch 8.2.3351: Vim9: using a function by name may delete it
Problem: Vim9: using a function by name may delete it. (Naohiro Ono)
Solution: Increment the reference count when using a function by name.
(closes #8760)
diff --git a/src/evalvars.c b/src/evalvars.c
index 2de7999..1af9ec5 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -2636,6 +2636,8 @@
{
ufunc_T *ufunc = find_func(name, FALSE, NULL);
+ // In Vim9 script we can get a function reference by using the
+ // function name.
if (ufunc != NULL)
{
found = TRUE;
@@ -2643,6 +2645,8 @@
{
rettv->v_type = VAR_FUNC;
rettv->vval.v_string = vim_strsave(ufunc->uf_name);
+ if (rettv->vval.v_string != NULL)
+ func_ref(ufunc->uf_name);
}
}
}