Re: [PATCH] Fix a hash lookup problem in xfaces.c

[Eli Zaretskii]

> Date: Sat, 1 Jan 2022 17:24:27 +0800
> From: Zhehao Lin <zh_lin1@outlook.com>
> 
> Hello, this patch fixes a problem in the `face_for_font` function in `src/
> xfaces.c` where an `unsigned` instead of an `uintptr_t` was used to 
> store the
> computed hash value of the face. If the hash value was too large (>UINT_MAX)
> and truncated, the lookup and storing (the latter uses `uintptr_t` as 
> the rest
> of the program does) would happen in different buckets, resulting in 
> constant
> cache misses.

Thanks, installed on the emacs-28 branch.