Unexpected error when super with block

[ksss]

test.rbs

class TestSuper
  def foo: () -> Integer
  def bar: () { (Integer) -> void } -> Integer
end

class TestSuperChild < TestSuper
  def foo: () -> Integer
  def bar: () { (Integer) -> void } -> Integer
end

test.rb

class TestSuperChild
  def foo
    super + 3 #=> ok
    super() + 1 #=> ok
  end

  def bar
    super {} + 1 #=> Unexpected error
    super() {} + 2 #=> Unexpected error
  end
end

[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)] Unexpected error: #<NoMethodError: undefined method `selector' for #<Parser::Source::Map::Keyword:0x0000000107efee00 @keyword=#<Parser::Source::Range sample.rb 116...121>, @end=nil, @begin=nil, @expression=#<Parser::Source::Range sample.rb 116...121>, @node=s(:zsuper)>

                  node.children[0].loc.selector
                                      ^^^^^^^^^>
[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)]   /Users/ksss/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/steep-0.49.1/lib/steep/diagnostic/ruby.rb:248:in `initialize'
[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)]   /Users/ksss/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/steep-0.49.1/lib/steep/type_construction.rb:2937:in `new'
[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)]   /Users/ksss/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/steep-0.49.1/lib/steep/type_construction.rb:2937:in `type_send_interface'
[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)]   /Users/ksss/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/steep-0.49.1/lib/steep/type_construction.rb:3027:in `type_send'
[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)]   /Users/ksss/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/steep-0.49.1/lib/steep/type_construction.rb:1010:in `block (2 levels) in synthesize'
[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)]   <internal:kernel>:148:in `yield_self'
[Steep 0.49.1] [typecheck:typecheck@0] [background] [#typecheck_source(path=sample.rb)] [#type_check_file(sample.rb@sample)] [synthesize:(1:1)] [synthesize:(3:1)] [synthesize:(4:3)] [synthesize:(9:3)] [synthesize:(10:5)] [synthesize:(10:5)] [synthesize:(10:5)]   /Users/ksss/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/steep-0.49.1/lib/steep/type_construction.rb:1005:in `block in synthesize'

steep version: 0.49.1
ruby version: 3.1.1