[clang] [analyzer] Add support for consteval in ConditionBRVisitor::VisitTerminator (PR #146859)

[Balazs Benics via cfe-commits]

https://github.com/steakhal approved this pull request.

Could you search the github issues for issues having the static analyzer label and `consteval` to see if we missed anything? (I don't think we have, but better be sure)

https://github.com/llvm/llvm-project/pull/146859