[llvm-branch-commits] [clang] release/20.x: [Clang][AST] Fix HandleLValueBase to deal with references (#140105) (PR #140246)

[Eli Friedman via llvm-branch-commits]

https://github.com/efriedma-quic approved this pull request.

LGTM; seems like a conservative fix for the crash, should be safe for the branch.

https://github.com/llvm/llvm-project/pull/140246