[lldb] Use std::nullopt instead of None (NFC)
authorKazu Hirata <kazu@google.com>
Tue, 6 Dec 2022 04:54:05 +0000 (20:54 -0800)
committerKazu Hirata <kazu@google.com>
Tue, 6 Dec 2022 04:54:05 +0000 (20:54 -0800)
commitd5c6dc8f0269067f39c6ce6f37639dd6d8879582
tree6952975b1554a4c48886585b9ca80585787487f9
parent9ba308f71c92a228120f084ba0fa740b4c61247f
[lldb] Use std::nullopt instead of None (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
lldb/source/Plugins/ABI/X86/ABIX86.cpp