There is an updated pull request by Calandracas606 against master on the void-packages repository

https://github.com/Calandracas606/void-packages llvm19
https://github.com/void-linux/void-packages/pull/51527

[WIP] New package: llvm19-19.1.0
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#### Testing the changes
- I tested the changes in this PR: **NO**


#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**


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#### Local build testing
- I built this PR locally for my native architecture, x86_64-glibc
- I built this PR locally for these architectures (if supported. mark crossbuilds):

  - [x] x86_64 
  - [x] x86_64-musl
  - [ ] i686
  - [ ] aarch64 (cross)
  - [ ] aarch64-musl (cross)
  - [ ] armv7l (cross)
  - [ ] armv7l-musl (cross)
  - [ ] armv6l (cross)
  - [ ] armv6l-musl (cross)

[ci skip]


A patch file from https://github.com/void-linux/void-packages/pull/51527.patch is attached