llvm-project

5999cc8c - [libc++][stack] Applied `[[nodiscard]]` (#169468)

[libc++][stack] Applied `[[nodiscard]]` (#169468) `[[nodiscard]]` should be applied to functions where discarding the return value is most likely a correctness issue. - https://libcxx.llvm.org/CodingGuidelines.html#apply-nodiscard-where-relevant