Fix indentation (issue #1948)
Write specs for {Enumerable::}Enumerator#initialize
Fix {Enumerable::}Enumerator#initialize
Write specs for Enumerator::Yielder#initialize
Fix Enumerator::Yielder#initialize
Write specs for Enumerator::Generator#initialize
Fix Enumerator::Generator#initialize
Add specs for issue #1948: Decomposition of pattern arguments following
optional argument(s)
Fix #1948: Decomposition of pattern arguments after optional argument(s)
Add more specs for issue #1948: Destructuring multiple pattern arguments
Fix #1948: To destructure multiple pattern arguments
Add spec for #1948: Multiple pattern arguments with block
Fix indentation (issue #1948)
Merge remote-tracking branch 'origin/issue1948' into issue1948
Merge pull request #2517 from darkgrin/issue1948

Issue1948
Add spec for rb_str_free
Implement dummy rb_str_free

Fixes #2518
Fix IC debug logic to prevent crash
 Spec for String split with invalid string should raise a ArgumentError
String split with invalid encoded string should raise ArgumentError