Issue #20417 has been reported by kddnewton (Kevin Newton). ---------------------------------------- Bug #20417: RubyVM::AbstractSyntaxTree.parse warns about block local variables https://bugs.ruby-lang.org/issues/20417 * Author: kddnewton (Kevin Newton) * Status: Open * Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN ---------------------------------------- ``` $ ./ruby -c -w -e '->(; foo) {}' Syntax OK ``` ``` $ ./ruby -w -e 'RubyVM::AbstractSyntaxTree.parse("->(; foo) {}")' (none):1: warning: assigned but unused variable - foo ``` -- https://bugs.ruby-lang.org/