vim-patch:7.4.1868

Problem:    Setting really_exiting causes memory leaks to be reported.
Solution:   Add the in_free_all_mem flag.

b89a25f17e

src/nvim/eval.c

@@ -21569,10 +21569,10 @@ void func_unref(char_u *name)
   if (name != NULL && isdigit(*name)) {
     fp = find_func(name);
     if (fp == NULL) {
-      // Ignore when invoked through free_all_mem().
-      if (!really_exiting) {
+#ifdef EXITFREE
+      if (!entered_free_all_mem)
+#endif
         EMSG2(_(e_intern2), "func_unref()");
-      }
     } else {
       user_func_unref(fp);
     }