1 files changed, 4 insertions, 0 deletions
diff --git a/test/ruby/test_compile_prism.rb b/test/ruby/test_compile_prism.rb
index d122969cd3..7542f0e220 100644
--- a/test/ruby/test_compile_prism.rb
+++ b/test/ruby/test_compile_prism.rb
@@ -1545,6 +1545,10 @@ a
       CODE
     end
 
+    def test_repeated_block_underscore
+      assert_prism_eval("def self.m(_, **_, &_); _; end; method(:m).parameters")
+    end
+
     def test_repeated_kw_rest_underscore
       assert_prism_eval("def self.m(_, **_); _; end; method(:m).parameters")
     end