https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113470
--- Comment #1 from Daniel Krügler ---
I think the essence is how [tuple.helper] p4 is specified. Combining with
[tuple.syn],
template struct tuple_size; // not defined
template struct tuple_size;
I tend to read that a definition is required
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108760
--- Comment #3 from Daniel Krügler ---
(In reply to Michael Levine from comment #2)
> (In reply to Daniel Krügler from comment #1)
> > (In reply to 康桓瑋 from comment #0)
> > > It seems wrong that libstdc++ needs to include for
> > >
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112099
Daniel Krügler changed:
What|Removed |Added
CC||daniel.kruegler@googlemail.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108760
Daniel Krügler changed:
What|Removed |Added
CC||daniel.kruegler@googlemail.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110853
Bug ID: 110853
Summary: [c++-concepts] Bad interaction between deduction guide
with decay and constraints
Product: gcc
Version: 14.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95825
--- Comment #8 from Daniel Krügler ---
(In reply to daniel.klauer from comment #7)
> Reduced test case:
>
>
> template
> struct tc_optional_base
> {
> // default ctor leaves m_storage uninitialized
> tc_optional_base() :
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71899
--- Comment #6 from Daniel Krügler ---
(In reply to Jonathan Wakely from comment #5)
> LWG 2743 seems to be the wrong issue, I think https://wg21.link/lwg2114 is
> the right one.
Ah yes, this was an unintended mislinking on my side. Feel free
