diff options
Diffstat (limited to 'lisp/emacs-lisp/byte-opt.el')
| -rw-r--r-- | lisp/emacs-lisp/byte-opt.el | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el index e461010a6ce..0b4043b1f2a 100644 --- a/lisp/emacs-lisp/byte-opt.el +++ b/lisp/emacs-lisp/byte-opt.el @@ -7,6 +7,7 @@ ;; Hallvard Furuseth <hbf@ulrik.uio.no> ;; Maintainer: FSF ;; Keywords: internal +;; Package: emacs ;; This file is part of GNU Emacs. @@ -381,9 +382,11 @@ form)) ((or (byte-code-function-p fn) (eq 'lambda (car-safe fn))) - (byte-optimize-form-code-walker - (byte-compile-unfold-lambda form) - for-effect)) + (let ((newform (byte-compile-unfold-lambda form))) + (if (eq newform form) + ;; Some error occurred, avoid infinite recursion + form + (byte-optimize-form-code-walker newform for-effect)))) ((memq fn '(let let*)) ;; recursively enter the optimizer for the bindings and body ;; of a let or let*. This for depth-firstness: forms that |