MacOS CI builds have started failing recently as Homebrew has updated LLVM to version 12. **Reporter**: [David Li](https://issues.apache.org/jira/browse/ARROW-12467) / @lidavidm **Assignee**: [Krisztian Szucs](https://issues.apache.org/jira/browse/ARROW-12467) / @kszucs #### Related issues: - [[CI][C++][Gandiva] MacOS builds are failing because of the version of the LLVM](https://github.com/apache/arrow/issues/28248) (duplicates) - [[C++] Support LLVM 12](https://github.com/apache/arrow/issues/28243) (is duplicated by) - [[C++][Gandiva] Add support for LLVM 11](https://github.com/apache/arrow/issues/26369) (relates to) #### PRs and other links: - [GitHub Pull Request #10111](https://github.com/apache/arrow/pull/10111) <sub>**Note**: *This issue was originally created as [ARROW-12467](https://issues.apache.org/jira/browse/ARROW-12467). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*</sub>
MacOS CI builds have started failing recently as Homebrew has updated LLVM to version 12.
Reporter: David Li / @lidavidm
Assignee: Krisztian Szucs / @kszucs
Related issues:
PRs and other links:
Note: This issue was originally created as ARROW-12467. Please see the migration documentation for further details.