[llvm-dev] 32-bit Architectures no longer tested by any buildbots causing bitrot

[Hubert Tong via llvm-dev]

On Tue, Oct 20, 2020 at 7:25 PM Luke Benes via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> While using a raspberry pi 4 for a project, I've discovered 2 recent
> regressions caused by the assumption that the target would be 64-bit.

Is this an assumption that the target would be 64-bit, or an assumption
that the host would be 64-bit?
For the first of those, there may be a different approach than adding a
buildbot: Finding a way to remind developers to add LIT tests that use the
32-bit target.


> In both cases, the developers noted that they missed the error because
> none of the buildbots had picked it up.
>
> I was able to quickly confirm that both issues were related to the size of
> pointer types by spooling up a Debian i686 iso and building clang on it.
> Could we add either an i686 or armhf buildbot to avoid this class of bug
> creeping into the code base?
>
> Thanks
>
> -Luke
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