why gdc9.1 isn't available from gdcproject.org?

[Guillaume Piolat]

On Wednesday, 29 May 2019 at 20:01:54 UTC, Iain Buclaw wrote:
>>
>> What should travis-ci users do then?
>
> Debian/Ubuntu tends to be on top of ensuring latest version of 
> gcc is available on the current release.
>
> The semaphoreCI testers use this repo, which covers older 
> releases (though TravisCI runners tend to be fairly ancient).
>
> https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test

Hello,

I stumbled upon the same problem on travis.
https://travis-ci.community/t/could-someone-please-upgrade-the-gdc-travis-use/4533/3

I have no idea how to fix this.