brew: brew typecheck not working on ARM

• ran brew update and can still reproduce the problem?
• ran brew doctor, fixed all issues and can still reproduce the problem?
• ran brew config and brew doctor and included their output with your issue?

What you were trying to do (and why)

Run brew man and brew typecheck as part of a PR.

What happened (include command output)

 $ brew man --debug
Writing markdown to /opt/homebrew/docs/Manpage.md
Error: Broken pipe
/opt/homebrew/Library/Homebrew/dev-cmd/man.rb:131:in `write'
/opt/homebrew/Library/Homebrew/dev-cmd/man.rb:131:in `block in convert_man_page'
/opt/homebrew/Library/Homebrew/utils/popen.rb:52:in `block in popen'
/opt/homebrew/Library/Homebrew/utils/popen.rb:48:in `popen'
/opt/homebrew/Library/Homebrew/utils/popen.rb:48:in `popen'
/opt/homebrew/Library/Homebrew/dev-cmd/man.rb:130:in `convert_man_page'
/opt/homebrew/Library/Homebrew/dev-cmd/man.rb:62:in `regenerate_man_pages'
/opt/homebrew/Library/Homebrew/dev-cmd/man.rb:44:in `man'
/opt/homebrew/Library/Homebrew/brew.rb:124:in `<main>'
$ brew typecheck --debug
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/sorbet-0.5.6189/bin/srb: line 46: 99392 Illegal instruction: 4  “${sorbet}” “${args[@]}”
Check https://docs.brew.sh/Typechecking for more information on how to resolve these errors.

What you expected to happen

The commands to run and not error.

Step-by-step reproduction instructions (by running brew commands)

brew man or brew typecheck

Output of brew config and brew doctor commands

$ brew config
HOMEBREW_VERSION: 2.7.1-119-g4a90a5a
ORIGIN: https://github.com/Homebrew/brew
HEAD: 4a90a5a5d6210b3ab526d68c3c9330c91bc4a55d
Last commit: 29 hours ago
Core tap ORIGIN: https://github.com/Homebrew/homebrew-core
Core tap HEAD: 39af1529f356db9c9b20409e24ed763d8950f960
Core tap last commit: 63 minutes ago
Core tap branch: master
HOMEBREW_PREFIX: /opt/homebrew
HOMEBREW_CASK_OPTS: []
HOMEBREW_DEVELOPER: set
HOMEBREW_GITHUB_API_TOKEN: set
HOMEBREW_MAKE_JOBS: 8
HOMEBREW_NO_ANALYTICS: set
HOMEBREW_NO_AUTO_UPDATE: set
Homebrew Ruby: 2.6.3 => /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby
CPU: octa-core 64-bit arm_firestorm_icestorm
Clang: 12.0 build 1200
Git: 2.30.0 => /opt/homebrew/bin/git
Curl: 7.64.1 => /usr/bin/curl
macOS: 11.1-arm64
CLT: 12.3.0.0.1.1607026830
Xcode: N/A
Rosetta 2: false
$ brew doctor
Your system is ready to brew.