[libcxx-dev] Libcxx testing with top-of-tree clang?
Marshall Clow via libcxx-dev
libcxx-dev at lists.llvm.org
Sun Dec 1 13:59:54 PST 2019
On Fri, Nov 29, 2019 at 11:51 PM David Zarzycki <dave at znu.io> wrote:
> On Nov 29, 2019, at 11:30 PM, Marshall Clow <mclow.lists at gmail.com> wrote:
> On Fri, Nov 29, 2019 at 3:50 AM David Zarzycki via libcxx-dev <
> libcxx-dev at lists.llvm.org> wrote:
>> Do any of the bots test libcxx with top-of-tree clang? More than once
>> I’ve suspected the answer is “no”. Most recently, the test suite has been
>> broken for a few days now. I’ve worked around the problem by adding
>> -Wno-deprecated-copy to the test suite config but somebody needs to decide
>> if that’s the best long term solution.
> My understanding is that (several of) the libcxx test bots get updated to
> the latest clang on a regular basis, but not on every run.
> So they may lag behind ToT by a week or so at times.
> Separably, why is important for the test suite to fail when new warnings
> are introduced? Is there a way to relax the test suite?
I believe that it is the responsibility of the people implementing the new
warnings to ensure that all of LLVM (and that includes clang, libc++, etc)
builds cleanly with the new warning(s) enabled - and that this should
happen *before* the warning is enabled.
This is what I have done when I have made changes to clang.
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