patch 7.4.1868

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

src/eval.c

@@ -25350,8 +25350,9 @@ func_unref(char_u *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 if (--fp->uf_refcount <= 0)

src/globals.h

@@ -635,6 +635,10 @@ EXTERN int	exiting INIT(= FALSE);
 EXTERN int	really_exiting INIT(= FALSE);
 				/* TRUE when we are sure to exit, e.g., after
 				 * a deadly signal */
+#if defined(EXITFREE)
+EXTERN int	entered_free_all_mem INIT(= FALSE);
+				/* TRUE when in or after free_all_mem() */
+#endif
 /* volatile because it is used in signal handler deathtrap(). */
 EXTERN volatile int full_screen INIT(= FALSE);
 				/* TRUE when doing full-screen output

src/misc2.c

@@ -1036,16 +1036,12 @@ static void free_findfile(void);
 free_all_mem(void)
 {
     buf_T	*buf, *nextbuf;
-    static int	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;
 
 # ifdef FEAT_AUTOCMD
     /* Don't want to trigger autocommands from here on. */

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1868,
 /**/
     1867,
 /**/