bug#28349: 26.0.50; compilation mode syntax highlighting incorrect

[Eli Zaretskii]

> From: Richard Copley <rcopley@gmail.com>
> Date: Sun, 10 Sep 2017 19:33:44 +0100
> Cc: Tom Tromey <tom@tromey.com>, 28349@debbugs.gnu.org
> 
> Thanks. There seems to be another similar issue remaining.
> Font-locking still fails for some lines "at random". This time the errors are
> 
> Error during redisplay: (jit-lock-function 94586) signaled
> (args-out-of-range 0 3)
> Error during redisplay: (jit-lock-function 284681) signaled
> (args-out-of-range 0 3)
> Error during redisplay: (jit-lock-function 285181) signaled
> (args-out-of-range 0 3)

Can you show a more informative Lisp backtrace?