Re: LO 24.2 C++20 baseline

[Miklos Vajna <vmiklos@xxxxxxxxxxxxx>]

Hi,

On Mon, Sep 25, 2023 at 01:48:01PM +0300, Stephan Bergmann <sbergman@xxxxxxxxxx> wrote:
> Was that maybe an intermittent Clang bug?  It apparently doesn't hit the
> Jenkins Clang builds, and I don't see it with trunk Clang 18 either, but
> have dim memories that there was some issue with too-eager evaluation
> causing something like this at some point.  Do you have a way to check with
> another Clang version, to substantiate that assumption?

Yes, I can confirm downgrading to clang-12 would work around the
problem.

On Mon, Sep 25, 2023 at 12:57:56PM +0100, Caolán McNamara <caolan.mcnamara@xxxxxxxxxxxxx> wrote:
> On Mon, 2023-09-25 at 13:48 +0300, Stephan Bergmann wrote:
> > Was that maybe an intermittent Clang bug?  It apparently doesn't hit
> > the Jenkins Clang builds, and I don't see it with trunk Clang 18
> > either
> 
> I'm seeing it in oss-fuzz too FWIW, like
> https://oss-fuzz-build-logs.storage.googleapis.com/log-d8e659e6-8b3e-45b0-9676-ceb57d8152f4.txt

I see this got fixed with core.git commit
7f75bfd0f6b1bf4debb69e96c114e453c62685f8 (Don't enable the requires
clause for Clang 15, 2023-09-25), and that also fixed my original setup.

Thanks,

Miklos