[llvm-cov] Use std::optional in CodeCoverage.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 02:42:47 +0000 (18:42 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 02:42:47 +0000 (18:42 -0800)
commitf64505c0f2f280d38c368ddac648d4b053c29eac
treeff16712800aacaf8ca4b172079dd6e4900f55f63
parentfc93812a11d0400289610a7301f2f1db4e0e1f3b
[llvm-cov] Use std::optional in CodeCoverage.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/tools/llvm-cov/CodeCoverage.cpp