[cfe-dev] Where is __builtin_launder?

[John McCall via cfe-dev]

> On Feb 23, 2018, at 12:20 AM, Stephan T. Lavavej <stl at exchange.microsoft.com> wrote:
> 
> [STL]
>> Am I doing something wrong, or is the builtin actually missing?
> 
> [John McCall]
>> The patch implementing it literally hasn't been committed to Clang trunk yet.
>> I'm not sure how you got the impression it was available for use.
> 
> Aha, thanks! I was confused because libc++ marked std::launder() as "Complete, 6.0" at https://libcxx.llvm.org/cxx1z_status.html .

That's an interesting choice on their part.

John.