(compilation-forget-errors):

Reinit compilation-directory-stack the way compile-internal does.
(compilation-parse-errors): Don't let default-directory change.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index 54e0ed1808b..ba4b9b6778c 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -1547,7 +1547,7 @@ Selects a window with point at SOURCE, with another window displaying ERROR."
           (set-marker (cdr next-error) nil)))
     (setq compilation-old-error-list (cdr compilation-old-error-list)))
   (setq compilation-error-list nil
-        compilation-directory-stack nil
+        compilation-directory-stack (list default-directory)
         compilation-parsing-end 1)
   ;; Remove the highlighting added by compile-reinitialize-errors:
   (let ((inhibit-read-only t))
@@ -1598,6 +1598,7 @@ See variable `compilation-parse-errors-function' for the interface it uses."
   (if (null compilation-error-regexp-alist)
       (error "compilation-error-regexp-alist is empty!"))
   (let* ((compilation-regexps nil) ; Variable set by compile-collect-regexps.
+         (default-directory default-directory)
          (found-desired nil)
          (compilation-num-errors-found 0)
          ;; Set up now the expanded, abbreviated directory variables