[lld] Use std::optional instead of None in comments (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 11 Dec 2022 01:04:56 +0000 (17:04 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 11 Dec 2022 01:04:56 +0000 (17:04 -0800)
commitd6684f2cb284580c05baeb7247c28dc929b517e7
tree6c5208171d13d1ead61caa083f01306a14a5cfbc
parentb950e061490992061fdbbd58f988eaa6f443f869
[lld] Use std::optional instead of None 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
lld/COFF/Driver.cpp
lld/COFF/InputFiles.cpp
lld/COFF/PDB.cpp