[llvm] r280750 - Avoid using alignas and constexpr.

[Reid Kleckner via llvm-commits]

On Wed, Oct 19, 2016 at 12:02 AM, Justin Bogner <mail at justinbogner.com>
wrote:

> Rafael Espindola via llvm-commits <llvm-commits at lists.llvm.org> writes:
> > Author: rafael
> > Date: Tue Sep  6 15:36:24 2016
> > New Revision: 280750
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=280750&view=rev
> > Log:
> > Avoid using alignas and constexpr.
> >
> > This requires removing the custom allocator, since Demangle cannot
> > depend on Support and so cannot use Compiler.h.
>
> Can we use alignas and constexpr now that we're dropping MSVC 2013, or
> did these also cause problems on other compilers? If 2013 was the
> bottleneck, should we add back the custom allocator here?


Go for it, I tried out the basic constructs with MSVC 2015 and it all
works. The only question is, do you think the custom arena allocator is
worth it? For a demangler, it might be.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20161020/43afb697/attachment.html>