[llvm-dev] [RFC] migrating past C++11

[Mehdi AMINI via llvm-dev]

On Wed, Jan 23, 2019 at 9:37 AM via llvm-dev <llvm-dev at lists.llvm.org>
wrote:

> Please include MSVC in the table. While the picture on Windows is way less
> complicated than for *nix, it's still a platform and toolchain that matter
> to a number of us in the community.
>
>
>
> Separately, there was talk of needing to have bots that specifically use
> the oldest supported toolchains, otherwise we can't genuinely promise that
> they are really supported (don't want feature dependencies creeping in by
> accident).
>

IMHO the difference between "supported" and having a bot validating the
configuration is whether we accept patches to fix issues on this particular
platform.

Otherwise, I believe historically it has been up to the users that care
about a platform to provide CI ressources for it. Do we have an alternative
plan?

-- 
Mehdi



>
> *From:* llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] *On Behalf Of *James
> Y Knight via llvm-dev
> *Sent:* Wednesday, January 23, 2019 10:36 AM
> *To:* Krzysztof Parzyszek
> *Cc:* llvm-dev
> *Subject:* Re: [llvm-dev] [RFC] migrating past C++11
>
>
>
> I'd expect that either we'll either workaround the issues (e.g. not start
> using the broken feature), or else propose to require even newer
> versions. And as now, discuss the expected tradeoff between new features
> and requiring new compiler versions.
>
>
>
> On Wed, Jan 23, 2019 at 10:22 AM Krzysztof Parzyszek via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
> On 1/22/2019 3:44 PM, JF Bastien via llvm-dev wrote:
> > One clear upside of dropping older toolchains: they don’t even support
> > C++11 very well.
>
> Do we know that the proposed newer compilers support C++14 very well?
> If we encounter issues with them, how are we going to deal with that?
>
> -Krzysztof
>
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