CRuby tests/specs passing

[kddnewton]

Changes to ruby/prism

• [ ] TestM17N#test_regexp_usascii - /#{"\x80"}/ should raise syntax error
• [ ] TestRubyLiteral#test_dregexp - /#{"\x80"}/ should raise syntax error
• [ ] TestMixedUnicodeEscape#test_basic - should raise mixed encoding error
• [ ] TestParse#test_void_value_in_rhs - should raise syntax error for some additional void value expressions

Changes to ruby/ruby

• [ ] TestAssignment#test_massign_order - (https://github.com/ruby/prism/issues/2370)
• [ ] TestAssignmentGen#test_assignment - (https://github.com/ruby/prism/issues/2370)

Pending response

• [ ] TestSyntax#test_dedented_heredoc_continued_line - (https://bugs.ruby-lang.org/issues/20503)
• [ ] TestSyntax#test_duplicated_when - (https://bugs.ruby-lang.org/issues/20401)
• [ ] TestSyntax#test_keyword_self_reference - (https://bugs.ruby-lang.org/issues/20478)
• [ ] TestSyntax#test_optional_self_reference - (https://bugs.ruby-lang.org/issues/20478)
• [ ] TestISeq#test_each_child - (https://bugs.ruby-lang.org/issues/20479)
• [ ] TestISeq#test_trace_points - (https://bugs.ruby-lang.org/issues/20479)