[cfe-dev] Setting default dialect to C++11

[Robinson, Paul via cfe-dev]

FTR as of r296554 the default for PS4 target is now C++11.
Because we have a couple of public bots using that default target,
any new tests or changes will need to be tolerant of a C++11 default.

This does not change the default for the world, but at least it will
ensure that tests going forward will be exercising C++11 code paths.
Thanks,
--paulr

> -----Original Message-----
> From: cfe-dev [mailto:cfe-dev-bounces at lists.llvm.org] On Behalf Of Joerg
> Sonnenberger via cfe-dev
> Sent: Monday, February 27, 2017 12:03 PM
> To: cfe-dev at lists.llvm.org
> Subject: Re: [cfe-dev] Setting default dialect to C++11
> 
> On Sun, Feb 26, 2017 at 05:38:03PM -0800, David Majnemer via cfe-dev
> wrote:
> > > Generally I think this is overdue, and that we should go straight to
> C++14
> > > rather than stopping at C++11 (like GCC did).
> > >
> >
> > This policy makes sense. With GCC's change, projects must explicitly
> > specify a -std if they insist on a particular language standard and as
> such
> > changing Clang's default shouldn't make things any better or worse.
> 
> Projects in active maintainance are mostly migrating to C++11 already.
> They don't care about this. But there is a huge existing code base that
> doesn't specify -std=XXX and for which bad things can happen. Compile
> errors are on the more harmless side of things.
> 
> Pointing to GCC doesn't really change anything. They don't maintain
> those code bases either.
> 
> Joerg
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