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-rw-r--r--lisp/emacs-lisp/bytecomp.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index eb297288c63..53622a47d7a 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -4028,6 +4028,7 @@ Return a list of the form ((TEST . VAR) ((VALUE BODY) ...))"
jump-table test-obj body tag donetag default-tag default-case)
(when (and cases (not (= (length cases) 1)))
(setq jump-table (make-hash-table :test test
+ :purecopy t
:size (if (assq 'default cases)
(1- (length cases))
(length cases)))