feature/native-comp dc4b50c: * Do not crash compilation if user eln-cache wasn't already created.

[Andrea Corallo]

branch: feature/native-comp
commit dc4b50ce0b52d8fcade1e04aabd92409858fcfc2
Author: Andrea Corallo <akrl@sdf.org>
Commit: Andrea Corallo <akrl@sdf.org>

    * Do not crash compilation if user eln-cache wasn't already created.
    
        * lisp/emacs-lisp/comp.el (comp-clean-up-stale-eln): Guard
        against calling `directory-files' on non existent directories.
---
 lisp/emacs-lisp/comp.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisp/emacs-lisp/comp.el b/lisp/emacs-lisp/comp.el
index 129a4de..cfc5ca5 100644
--- a/lisp/emacs-lisp/comp.el
+++ b/lisp/emacs-lisp/comp.el
@@ -2516,8 +2516,9 @@ sharing the original source filename (including FILE)."
                   `(seq "-" ,filename-hash "-" (1+ hex) ".eln" eos))
    for dir in (butlast comp-eln-load-path) ; Skip last dir.
    do (cl-loop
-       for f in (directory-files (concat dir comp-native-version-dir) t regexp
-                                 t)
+       with full-dir = (concat dir comp-native-version-dir)
+       for f in (when (file-exists-p full-dir)
+                 (directory-files full-dir t regexp t))
        do (comp-delete-or-replace-file f))))
 
 (defun comp-delete-or-replace-file (oldfile &optional newfile)