master 301ce62: Declare file-name-concat as side-effect free

[Lars Ingebrigtsen]

branch: master
commit 301ce625cb4b04c6a1662605d0221099b1de6359
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Declare file-name-concat as side-effect free
    
    * lisp/emacs-lisp/byte-opt.el (side-effect-free-fns): Declare
    file-name-concat as side-effect (and error) free.
---
 lisp/emacs-lisp/byte-opt.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el
index 2232617..ad0273d 100644
--- a/lisp/emacs-lisp/byte-opt.el
+++ b/lisp/emacs-lisp/byte-opt.el
@@ -1405,6 +1405,7 @@ See Info node `(elisp) Integer Basics'."
         current-buffer current-global-map current-indentation
         current-local-map current-minor-mode-maps current-time
         eobp eolp eq equal eventp
+         file-name-concat
         fixnump floatp following-char framep
         get-largest-window get-lru-window
         hash-table-p