> In a fresh emacs -Q, I opened the file test.c, which has the following contents:
>
> void a()
> {
> #define b() \
> c \
> d(e, (f)); \
> g
> }
>
> I typed
>
> M-: (font-lock-fontify-region 1 (point-max)) RET
>
> and the following error was signalled:
>
> Error during redisplay: (jit-lock-function 1) signaled (args-out-of-range 39 55)
>
> I expect C mode not to signal an error in this case.
>
> (I'm running GNU Emacs 24.3.1 (x86_64-apple-darwin, NS apple-appkit-1038.36) of 2013-03-13.)
When I attempted to recreate this in a build from the emacs-24 git branch today, I do not see the error in the bug report. I do, however, see a message echoed:
(jit-lock-bounds 1 . 55)
GNU Emacs 25.0.92.1 (x86_64-apple-darwin13.4.0, NS appkit-1265.21 Version 10.9.5 (Build 13F1507))
of 2016-03-05