[ruby/prism] Use RubyVM::InstructionSequence instead of Ripper for validity check
https://github.com/ruby/prism/commit/ddec1c163d
[ruby/prism] Use RubyVM::InstructionSequence instead of Ripper for validity check
https://github.com/ruby/prism/commit/ddec1c163d