[dsymutil] Use std::optional in DwarfLinkerForBinary.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 02:36:55 +0000 (18:36 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 02:36:55 +0000 (18:36 -0800)
commit4e58c88c2d61c3aa80fd61b2ed911c4214a2f1c4
tree1355f9a0f6028c41d0fa5561a1d0279908614d9b
parent41c638875e28df6d7c893fadda362213d535e6f8
[dsymutil] Use std::optional in DwarfLinkerForBinary.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
llvm/tools/dsymutil/DwarfLinkerForBinary.cpp