Mark some functions as pure

* lisp/emacs-lisp/byte-opt.el: Add some functions that return integral
values to the builtin list of pure functions.

diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el
index 69f03c5166815029f200dbc121a654765d97f20a..623985f44f98656cd89440d7573f25914aed655b 100644 (file)
--- a/lisp/emacs-lisp/byte-opt.el
+++ b/lisp/emacs-lisp/byte-opt.el
@@ -1281,7 +1281,10 @@
 ;; errors to compile time.
 
 (let ((pure-fns
-       '(concat symbol-name regexp-opt regexp-quote string-to-syntax)))
+       '(concat symbol-name regexp-opt regexp-quote string-to-syntax
+         string-to-char
+         ash lsh logb lognot logior logxor
+         ceiling floor)))
   (while pure-fns
     (put (car pure-fns) 'pure t)
     (setq pure-fns (cdr pure-fns)))