bigint doesnt work in ctfe (uses free)

[dlangBugzillaToGithub]

crazymonkyyy reported this on 2023-05-29T18:59:57Z

Transfered from https://issues.dlang.org/show_bug.cgi?id=23944

Description

> std/internal/math/biguintcore.d(939): Error: `free` cannot be interpreted at compile time, because it has no available source code

[davidisinta]

Hi I am looking to contribute to this issue. I am not sure what is required. Is the goal to make as many functions in the module ctfe as we can? This is going to be my first contribution so I am happy for suggestions and pointers. Also, what command was run to produce the error?