Reapply "[clang analysis][thread-safety] Handle return-by-reference..…#68394

Merged

legrosbuffle merged 1 commit intollvm:mainfrom legrosbuffle:reland2

Oct 6, 2023

+161-28

Commits on Oct 6, 2023

Reapply "[clang analysis][thread-safety] Handle return-by-reference... (llvm#67776 )"
legrosbuffle
committed