tree ad5b2966c915dfe18a97242e335af805578884bb
parent ba48dda0523f6dcbe590a9122bbc8fa374c2e191
author Arthur O'Dwyer <arthur.j.odwyer@gmail.com> 1612915936 -0500
committer Copybara-Service <copybara-worker@google.com> 1616704271 -0700

[libc++] [P1032] Misc constexpr bits in <iterator>, <string_view>, <tuple>, <utility>.

This completes the implementation of P1032's changes to <iterator>,
<string_view>, <tuple>, and <utility> in C++20.
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1032r1.html

Drive-by fix a couple of unintended rvalues in "*iterators*/*.fail.cpp".

Differential Revision: https://reviews.llvm.org/D96385

GitOrigin-RevId: 06e2b737aa0347b42e8bf37cb00a053eab0a9393