bug#63957: 29.0.91; c-ts-mode: incorrect fontification in alloc.c

[Eli Zaretskii]

> Date: Thu, 08 Jun 2023 08:56:51 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> 
> To reproduce:
> 
>   emacs -Q
>   C-x C-f src/alloc.c RET
>   M-x c-ts-mode RET
>   C-u 3184 M-g g
> 
> Observe that several "else if" clauses in the following fragment are not
> fontified correctly:

Adding the relevant folks.

Could you guys please look into this issue?