(dired-byte-compile): Report failure if output file is not created.

diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el
index e08094ff2da94e62be718bc2590af017410af7d4..27ef4397d7414ad6b9bc97e152c9b8b1e1be16f5 100644 (file)
--- a/lisp/dired-aux.el
+++ b/lisp/dired-aux.el
@@ -649,6 +649,8 @@ and use this command with a prefix argument (the value does not matter)."
       (error
        (setq failure err)))
     (setq elc-file (byte-compile-dest-file filename))
+    (or (file-exists-p elc-file)
+       (setq failure t))
     (if failure
        (progn
          (dired-log "Byte compile error for %s:\n%s\n" filename failure)