master 1ad0d60740: Fix string-to-syntax signature in comp-known-type-specifiers

[Mattias Engdegård]

branch: master
commit 1ad0d607404ab0527f5095a64a8dcc9c2bea6411
Author: Mattias Engdegård <mattiase@acm.org>
Commit: Mattias Engdegård <mattiase@acm.org>

    Fix string-to-syntax signature in comp-known-type-specifiers
    
    * lisp/emacs-lisp/comp.el (comp-known-type-specifiers):
    `string-to-syntax` can return nil.
---
 lisp/emacs-lisp/comp.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/emacs-lisp/comp.el b/lisp/emacs-lisp/comp.el
index 869781bea1..304ea8cc6c 100644
--- a/lisp/emacs-lisp/comp.el
+++ b/lisp/emacs-lisp/comp.el
@@ -520,7 +520,7 @@ Useful to hook into pass checkers.")
     (string-to-char (function (string) fixnum))
     (string-to-multibyte (function (string) string))
     (string-to-number (function (string &optional integer) number))
-    (string-to-syntax (function (string) cons))
+    (string-to-syntax (function (string) (or cons null)))
     (string< (function ((or string symbol) (or string symbol)) boolean))
     (string= (function ((or string symbol) (or string symbol)) boolean))
     (stringp (function (t) boolean))