reject numbered parameters from Binding#local_variables

Also, Binding#local_variable_get and #local_variable_set rejects an
access to numbered parameters.

[Bug #20965] [Bug #21049]

1 files changed, 12 insertions, 3 deletions

diff --git a/spec/ruby/language/numbered_parameters_spec.rb b/spec/ruby/language/numbered_parameters_spec.rb
index 06f9948c58..a3153d3cc6 100644
--- a/spec/ruby/language/numbered_parameters_spec.rb
+++ b/spec/ruby/language/numbered_parameters_spec.rb
@@ -90,9 +90,18 @@ describe "Numbered parameters" do
     proc { _2 }.parameters.should == [[:opt, :_1], [:opt, :_2]]
   end
 
-  it "affects binding local variables" do
-    -> { _1; binding.local_variables }.call("a").should == [:_1]
-    -> { _2; binding.local_variables }.call("a", "b").should == [:_1, :_2]
+  ruby_version_is "".."3.4" do
+    it "affects binding local variables" do
+      -> { _1; binding.local_variables }.call("a").should == [:_1]
+      -> { _2; binding.local_variables }.call("a", "b").should == [:_1, :_2]
+    end
+  end
+
+  ruby_version_is "3.5" do
+    it "does not affect binding local variables" do
+      -> { _1; binding.local_variables }.call("a").should == []
+      -> { _2; binding.local_variables }.call("a", "b").should == []
+    end
   end
 
   it "does not work in methods" do