llvm::Optional is removed from LLVM:
commit 397f2e9ebee8d8e45547e90dd05228d7f965df67
Author: Kazu Hirata kazu@google.com
Date: Tue May 30 15:32:43 2023 -0700
Remove llvm::Optional
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
Differential Revision: https://reviews.llvm.org/D149128
llvm::Optional is removed from LLVM: commit 397f2e9ebee8d8e45547e90dd05228d7f965df67 Author: Kazu Hirata kazu@google.com Date: Tue May 30 15:32:43 2023 -0700