commit c96b7f5d2af241c5eb1589e9da3dc09e45355e65
author Bram Moolenaar <Bram@vim.org> Fri Dec 02 15:58:38 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Fri Dec 02 15:58:38 2022 +0000
tree ef26f1475c713f971de88df0f7eec925c5822aca
parent 9c8d12c8115640927823919001a03c79d4118063

patch 9.0.0990: callback name argument is changed by setqflist()

Problem:    Callback name argument is changed by setqflist().
Solution:   Use the expanded function name for the callback, do not store it
            in the argument. (closes #11653)

src/option.c

diff --git a/src/option.c b/src/option.c
index 816837d..07a9e52 100644
--- a/src/option.c
+++ b/src/option.c
@@ -7370,6 +7370,8 @@
 
     free_callback(optcb);
     set_callback(optcb, &cb);
+    if (cb.cb_free_name)
+	vim_free(cb.cb_name);
     free_tv(tv);
 
     // when using Vim9 style "import.funcname" it needs to be expanded to