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-rw-r--r--lisp/emacs-lisp/bytecomp.el12
1 files changed, 10 insertions, 2 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index 47bcbbcae6c..6219482b12e 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -1,7 +1,7 @@
;;; bytecomp.el --- compilation of Lisp code into byte code
;; Copyright (C) 1985, 1986, 1987, 1992, 1994, 1998, 2000, 2001, 2002,
-;; 2003, 2004, 2005 Free Software Foundation, Inc.
+;; 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
;; Author: Jamie Zawinski <jwz@lucid.com>
;; Hallvard Furuseth <hbf@ulrik.uio.no>
@@ -3785,7 +3785,15 @@ that suppresses all warnings during execution of BODY."
(push (cons (nth 1 (nth 1 form))
(if constant (nth 1 (nth 2 form)) t))
byte-compile-function-environment)))
- (byte-compile-normal-call form))
+ ;; We used to jus do: (byte-compile-normal-call form)
+ ;; But it turns out that this fails to optimize the code.
+ ;; So instead we now do the same as what other byte-hunk-handlers do,
+ ;; which is to call back byte-compile-file-form and then return nil.
+ ;; Except that we can't just call byte-compile-file-form since it would
+ ;; call us right back.
+ (byte-compile-keep-pending form)
+ ;; Return nil so the form is not output twice.
+ nil)
;; Turn off warnings about prior calls to the function being defalias'd.
;; This could be smarter and compare those calls with