New issue by tranzystorek-io on void-packages repository

https://github.com/void-linux/void-packages/issues/39624

Description:
### Is this a new report?

Yes

### System Info

Void 5.19.10_1 x86_64-musl GenuineIntel/VM uptodate FF

### Package(s) Affected

libunistring-1.0_1

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

_No response_

### Expected behaviour

Tests for the `boxes` project run correctly

### Actual behaviour

One of the tests segfaults (https://github.com/ascii-boxes/boxes/issues/103#issuecomment-1264611505)

### Steps to reproduce

On a x86_64-musl void system (e.g. `ghcr.io/void-linux/void-linux:latest-full-x86_64-musl`):

1. `xbps-install bison flex libunistring-devel pcre2-devel xxd git base-devel`
2. `git clone https://github.com/ascii-boxes/boxes`
3. `make && make test`