There is a new pull request by jnbr against master on the void-packages repository

https://github.com/jnbr/void-packages icarus
https://github.com/void-linux/void-packages/pull/25416

iverilog: update to 11.0.
Extra flags are not necessary anymore (verified it builds with `-fno-common`).

A patch file from https://github.com/void-linux/void-packages/pull/25416.patch is attached