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Re: std::as

From: Arthur O'Dwyer <arthur.j.odwyer_at_[hidden]>
Date: Mon, 26 Oct 2020 10:24:28 -0400
On Mon, Oct 26, 2020 at 1:26 AM Justin Bassett via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> Technically, yes, *get_if is enough, but most compilers can't recognize it
> yet. I think gcc can under specific circumstances, but the rest I've tested
> failed to do so.
>

Confirmed. Have people filed missed-optimization bugs against GCC and MSVC
on this topic, yet? People should.
https://godbolt.org/z/n9acqh

–Arthur

Received on 2020-10-26 09:24:44