1 files changed, 10 insertions, 0 deletions
diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index 55af33fe48..e70470555c 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -171,6 +171,11 @@ class TestSyntax < Test::Unit::TestCase
     assert_warn("") do
       o.instance_eval("def foo(var: def bar(var) var; end) var end")
     end
+
+    o = Object.new
+    assert_warn("") do
+      o.instance_eval("proc {|var: 1| var}")
+    end
   end
 
   def test_optional_self_reference
@@ -207,6 +212,11 @@ class TestSyntax < Test::Unit::TestCase
     assert_warn("") do
       o.instance_eval("def foo(var = def bar(var) var; end) var end")
     end
+
+    o = Object.new
+    assert_warn("") do
+      o.instance_eval("proc {|var = 1| var}")
+    end
   end
 
   def test_warn_grouped_expression