[JITLink] Use std::optional in MachOLinkGraphBuilder.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 23:15:18 +0000 (15:15 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 23:15:18 +0000 (15:15 -0800)
commite80118eed6d90bbc8d294a4f09307244e8b534aa
treeb5c3a696de482821deb9a183e18b1d8c72c1a1b5
parentd6f0ab47a7290bc281a446b43d9ca26b990d6e25
[JITLink] Use std::optional in MachOLinkGraphBuilder.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/lib/ExecutionEngine/JITLink/MachOLinkGraphBuilder.cpp