There's a closed pull request on the void-packages repository

Llvm13
https://github.com/void-linux/void-packages/pull/36229

Description:
This adds LLVM 13 and updates from LLVM 12.

Work-in-progress

The following packages were removed:
 * beignet -- upstream is dead
 * rundird --  has been deprecated by upstream which recommends using dumb_runtime_dir

The following packages were updated or patched:
 * SPIRV-LLVM-Translator
 * SPIRV-Headers
 * ispc
 * river
 * zig

Rebuilt packages:

(rebuilt based on output of:  `xrevshlib libllvm{12,13}` )


* bcc
* bpftrace 
* ccls 
* clazy 
* codelite 
* ghdl
* gnome-builder
* include-what-you-use 
* juCi++ 
* kdevelop 
* ldc
* mesa 
* qt5 
* rtags 
* rust
* shiboken2 
* tilix

Updated Templates:

* Chromium

(I am probably missing some packages)


Thanks @DBLouis for your hard work! 

 [ci skip]
 
 I nuked the #35895