tree 9f639db677260a02d3aef1faae65f4c7891dfe64
parent 7fee2667618e7636d4a7dfdc314ca4fdd9305851
author Kazu Hirata <kazu@google.com> 1683941606 -0700
committer Copybara-Service <copybara-worker@google.com> 1683941810 -0700

Replace None with std::nullopt in comments (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716

GitOrigin-RevId: 81e149aab9b3676b16728e883e2f21ee938cff93