[Support] Use std::optional in ARMAttributeParser.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 05:22:19 +0000 (21:22 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 05:22:19 +0000 (21:22 -0800)
commit11b75f952cf18454b6c6f9a399697279c369d1a0
tree94fe62b797762baba9dd5d77c4950b65ede50c0e
parent72e8d03fe9ef5ce8327f9e9c4e2c7d8ddcdc9d11
[Support] Use std::optional in ARMAttributeParser.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/Support/ARMAttributeParser.cpp