https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115480
Bug ID: 115480
Summary: Difference between trivial copyability of std::pair
under Clang in C++23
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: ldionne.2 at gmail dot com
Target Milestone: ---
Let's say Foo is a trivially copyable type without an assignment operator.
In C++23, std::pair<Foo, int> is currently trivially copyable using Clang trunk
and GCC trunk. However, it wasn't trivially copyable in the Clang 15 era.
Godbolt: https://godbolt.org/z/TKK7qhhbM
I don't know whether y'all care about this, but we ran into this while
investigating some libc++ stuff and we thought we'd point it out in case it was
considered an ABI break introduced ~2 years ago.
