patch 9.0.0397: :defer not tested with exceptions and ":qa!" Commit: https://github.com/vim/vim/commit/58779858fb5a82a3233af5d4237a3cece88c10d4 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 6 18:31:14 2022 +0100 patch 9.0.0397: :defer not tested with exceptions and ":qa!" Problem: :defer not tested with exceptions and ":qa!". Solution: Test :defer works when exceptions are thrown and when ":qa!" is used. Invoke the deferred calls on exit.

--- a/src/proto/userfunc.pro
+++ b/src/proto/userfunc.pro
@@ -59,7 +59,7 @@ void func_ref(char_u *name);
 void func_ptr_ref(ufunc_T *fp);
 void ex_return(exarg_T *eap);
 int add_defer(char_u *name, int argcount_arg, typval_T *argvars);
-void handle_defer(void);
+void invoke_all_defer(void);
 void ex_call(exarg_T *eap);
 int do_return(exarg_T *eap, int reanimate, int is_cmd, void *rettv);
 void discard_pending_return(void *rettv);