[IR] Use std::optional in Statepoint.h (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 22:40:10 +0000 (14:40 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 22:40:10 +0000 (14:40 -0800)
commit0ea3386d7b6402ca8ad81abae70e3b1070e6d717
treef6780a94b43ae90d48e4556b318428776f3788eb
parentf9b93cf3344c53f1a5c071b61430694a924570c7
[IR] Use std::optional in Statepoint.h (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/include/llvm/IR/Statepoint.h