Small callint.c fix.

* src/callint.c (Fcall_interactively): Give a more explicit error for the
'c' case with a non-character input.

Fixes: debbugs:8479

1 files changed, 2 insertions, 0 deletions

diff --git a/src/callint.c b/src/callint.c
index 5cf99495671..61ab4a3963e 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -535,6 +535,8 @@ invoke it.  If KEYS is omitted or nil, the return value of
           message1_nolog ((char *) 0);
           /* Passing args[i] directly stimulates compiler bug */
           teml = args[i];
+          /* See bug#8479.  */
+          if (! CHARACTERP (teml)) error ("Non-character input-event");
           visargs[i] = Fchar_to_string (teml);
           break;