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patch 8.2.3351: Vim9: using a function by name may delete it

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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)
This commit is contained in:
Bram Moolenaar
2021-08-15 16:08:36 +02:00
parent a401bba080
commit b033ee2ddf
3 changed files with 23 additions and 0 deletions
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4
src/evalvars.c
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@@ -2636,6 +2636,8 @@ eval_variable(
{
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 @@ eval_variable(
{
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);
}
}
}