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-rw-r--r--src/eval.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/eval.c b/src/eval.c
index e92a97f18..7ca129b37 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -4339,10 +4339,17 @@ eval7(
* use its contents. */
s = deref_func_name(s, &len, &partial, !evaluate);
- /* Invoke the function. */
- ret = get_func_tv(s, len, rettv, arg,
- curwin->w_cursor.lnum, curwin->w_cursor.lnum,
- &len, evaluate, partial, NULL);
+ /* Need to make a copy, in case evaluating the arguments makes
+ * the name invalid. */
+ s = vim_strsave(s);
+ if (s == NULL)
+ ret = FAIL;
+ else
+ /* Invoke the function. */
+ ret = get_func_tv(s, len, rettv, arg,
+ curwin->w_cursor.lnum, curwin->w_cursor.lnum,
+ &len, evaluate, partial, NULL);
+ vim_free(s);
/* If evaluate is FALSE rettv->v_type was not set in
* get_func_tv, but it's needed in handle_subscript() to parse