patch 8.0.0075
Problem: Using number for exception type lacks type checking.
Solution: Use an enum.
diff --git a/src/proto/ex_eval.pro b/src/proto/ex_eval.pro
index 908b785..9274bce 100644
--- a/src/proto/ex_eval.pro
+++ b/src/proto/ex_eval.pro
@@ -7,7 +7,7 @@
void free_global_msglist(void);
void do_errthrow(struct condstack *cstack, char_u *cmdname);
int do_intthrow(struct condstack *cstack);
-char_u *get_exception_string(void *value, int type, char_u *cmdname, int *should_free);
+char_u *get_exception_string(void *value, except_type_T type, char_u *cmdname, int *should_free);
void discard_current_exception(void);
void report_make_pending(int pending, void *value);
void report_resume_pending(int pending, void *value);