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/memory.c

@@ -488,16 +488,12 @@ void time_to_bytes(time_t time_, uint8_t buf[8])
 void free_all_mem(void)
 {
   buf_T       *buf, *nextbuf;
-  static bool entered = false;
 
   /* When we cause a crash here it is caught and Vim tries to exit cleanly.
    * Don't try freeing everything again. */
-  if (entered)
+  if (entered_free_all_mem)
     return;
-  entered = true;
-
-  // Set this flag to indicate some errors can be ignored.
-  really_exiting = true;
+  entered_free_all_mem = true;
 
   // Don't want to trigger autocommands from here on.
   block_autocmds();