> From: Jonathan Wakely <jwak...@redhat.com>
> Date: Wed, 1 Feb 2023 18:19:09 +0100

> On Wed, 1 Feb 2023 at 16:01, Jonathan Wakely wrote:
> >
> > On Wed, 1 Feb 2023 at 14:38, Hans-Peter Nilsson via Libstdc++
> > <libstd...@gcc.gnu.org> wrote:
> > >
> > > Tested cris-elf and native x86_64-pc-linux-gnu.
> > > Ok to commit?
> >
> > OK, thanks.
> 
> We could add the [[no_unique_address]] attribute to the _M_ss member,
> so that it takes no space when it's an empty struct.
> 
> That would save a byte in hh_mm_ss for cris-elf and targets like that,
> but as this type isn't meant to be used for storage, I don't think we
> should bother. People shouldn't be using this as a data member, just
> creating it on the stack and then discarding it.
> 

Agreed; no worries.  Thanks for the review.

brgds, H-P

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