tree 6dbbb3eef826cefc21fc1568e838b548c6db3c47
parent 3684ae205ad54de145a5c397e41c266ca958632c
author Hans Wennborg <hans@chromium.org> 1765542429 -0800
committer Copybara-Service <copybara-worker@google.com> 1765542927 -0800

Fixes for nodiscard std::optional, std::set operations

libc++ recently added more nodiscard attributes:
http://github.com/llvm/llvm-project/pull/169982 and
http://github.com/llvm/llvm-project/pull/170045

Bug: 468205004
Change-Id: Ie199d266b349696515e17bf8735333a202134f51
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7256034
Owners-Override: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Auto-Submit: Hans Wennborg <hans@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1557956}
NOKEYCHECK=True
GitOrigin-RevId: 54f527e0399c84e1d70fdeb17b4fa8d53b4bf8f3