[MachO] Use std::optional in InputFiles.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 05:02:09 +0000 (21:02 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 05:02:09 +0000 (21:02 -0800)
commit43429cde4d02f3440d9265b27727f1b618368b95
tree086450d4aaf332c6cf5ee1b5e060b61942ea42ea
parent59cc8fb785621c4c657c1a499a36624d9089f1ea
[MachO] Use std::optional in InputFiles.cpp (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/MachO/InputFiles.cpp