Dir.mkdir should raise TypeError if 2nd argument is not numeric

[djberg96]

truffleruby 22.3.0, like ruby 3.0.3, GraalVM CE Native [x86_64-darwin]

Spotted this in berger_spec: Dir.mkdir("foo", true)

Expected: 'mkdir': no implicit conversion of true into Integer (TypeError)
Actual: method returned 0 and a directory that appears to have defaulted to 001 perms:

ls -al => d--------x 2 dberger staff 64 Nov 12 09:23 foo

It doesn't look like my shell's default umask:

>umask => 022

[andrykonchin]

Thank you for reporting!

I can reproduce the issue with Boolean (true, false).

If the second argument is String, Symbol, Array, nil etc an exception is raised:

Dir.mkdir("foo", :sym)
# <internal:core> core/truffle/polyglot.rb:334:in `execute': unsupported type [:sym] (TypeError)

[andrykonchin]

Fixed in ddaa075