master 3cbf923: Allow hide-ifdef-guts to work in buffers not visiting files

[Lars Ingebrigtsen]

branch: master
commit 3cbf92323c544df516ac28da5e6eac9a241103c4
Author: Zhiwei Chen <chenzhiwei03@kuaishou.com>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Allow hide-ifdef-guts to work in buffers not visiting files
    
    * lisp/progmodes/hideif.el (hide-ifdef-guts): Allow working in
    buffers not visiting files (bug#47279).
    
    Copyright-paperwork-exempt: yes
---
 lisp/progmodes/hideif.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/hideif.el b/lisp/progmodes/hideif.el
index 923f85f..6f1a878 100644
--- a/lisp/progmodes/hideif.el
+++ b/lisp/progmodes/hideif.el
@@ -1743,10 +1743,10 @@ first arg will be `hif-etc'."
 (defun hide-ifdef-guts ()
   "Does most of the work of `hide-ifdefs'.
 It does not do the work that's pointless to redo on a recursive entry."
-  ;; (message "hide-ifdef-guts")
   (save-excursion
     (let* ((case-fold-search t) ; Ignore case for `hide-ifdef-header-regexp'
            (expand-header (and hide-ifdef-expand-reinclusion-protection
+                               (buffer-file-name)
                                (string-match hide-ifdef-header-regexp
                                              (buffer-file-name))
                                (zerop hif-recurse-level)))