bug#36492: c-mode fails with errors during fontification

[Alan Mackenzie]

Hello, Juri.

In article <mailman.154.1562272763.2688.bug-gnu-emacs@gnu.org> you wrote:
> [-- text/plain, encoding 7bit, charset: US-ASCII, 6 lines --]

>> Opening this message in Gnus fails with the following backtrace
>> because c-mode fails to fontify the attachment.

> Actually, with the attachment in this message the bug in c-mode
> font-lock is much easier to reproduce.

Yes, I can reproduce the bug in that buffer with
(font-lock-fontify-region (point-min) (point-max).  I suspect it will be
fairly easy to diagnose and fix.

> [-- text/x-csrc, encoding 7bit, charset: US-ASCII, 3 lines, name: test.c --]

-- 
Alan Mackezie (Nuremberg, Germany).