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[Emacs-diffs] master 550c23d: etc/NEWS: Add entry for new `switch' bytec


From: Vibhav Pant
Subject: [Emacs-diffs] master 550c23d: etc/NEWS: Add entry for new `switch' bytecode.
Date: Thu, 9 Mar 2017 09:34:12 -0500 (EST)

branch: master
commit 550c23d326da983af082ad8f0227ace16c652021
Author: Vibhav Pant <address@hidden>
Commit: Vibhav Pant <address@hidden>

    etc/NEWS: Add entry for new `switch' bytecode.
---
 etc/NEWS | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/etc/NEWS b/etc/NEWS
index 32137a7..f0df0a7 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -742,6 +742,12 @@ processes on exit.
 * Incompatible Lisp Changes in Emacs 26.1
 
 +++
+** Certain cond/pcase/cl-case forms are now compiled using a faster jump
+table implementation. This uses a new bytecode op `switch', which isn't
+compatible with previous Emacs versions. This functionality can be disabled
+by setting `byte-compile-cond-use-jump-table' to nil.
+
++++
 ** Resizing a frame no longer runs 'window-configuration-change-hook'.
 Put your function on 'window-size-change-functions' instead.
 



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