`(irep->pool[b].tt & IREP_TT_NFLAG) == 0` is always true ensured by
the assertion.

Updated mruby-errno/README.md to pass the lint checks.

build(deps): bump github/super-linter from 4.8.6 to 4.8.7

Bumps [github/super-linter](https://github.com/github/super-linter) from 4.8.6 to 4.8.7.
- [Release notes](https://github.com/github/super-linter/releases)
- [Changelog](https://github.com/github/super-linter/blob/main/docs/release-process.md)
- [Commits](https://github.com/github/super-linter/compare/v4.8.6...v4.8.7)

---
updated-dependencies:
- dependency-name: github/super-linter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

build(deps): bump github/super-linter from 4.8.5 to 4.8.6

Bumps [github/super-linter](https://github.com/github/super-linter) from 4.8.5 to 4.8.6.
- [Release notes](https://github.com/github/super-linter/releases)
- [Changelog](https://github.com/github/super-linter/blob/main/docs/release-process.md)
- [Commits](https://github.com/github/super-linter/compare/v4.8.5...v4.8.6)

---
updated-dependencies:
- dependency-name: github/super-linter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

Add unlisted errno constants found in macOS and FreeBSD.
If you see unlisted errno, please report.

To reduce memory consumption by avoiding allocating Ruby objects.

Remove no longer used arguments from the functions.

`a::B = c` should evaluate `a` then `c`. It used to be `c` then `a`. The
`OP_SETMCNST` instruction operands are designed for older order in mind.
Should we changed the operand order?

Fix tree of mruby-bin-example