[PRISM] Implementing forwarding of args for ForwardingSuperNode

ForwardingSuperNodes need to actually forward any applicable
arguments. This commit implements that logic, by using the data
stored on the local iseq about the parameters to forward the
appropriate arguments.

1 files changed, 16 insertions, 0 deletions

diff --git a/test/ruby/test_compile_prism.rb b/test/ruby/test_compile_prism.rb
index 2bc1821936..05db94227e 100644
--- a/test/ruby/test_compile_prism.rb
+++ b/test/ruby/test_compile_prism.rb
@@ -1543,6 +1543,22 @@ module Prism
     def test_ForwardingSuperNode
       assert_prism_eval("class Forwarding; def to_s; super; end; end")
       assert_prism_eval("class Forwarding; def eval(code); super { code }; end; end")
+      assert_prism_eval(<<-CODE)
+        class A
+          def initialize(a, b)
+          end
+        end
+
+        class B < A
+          attr_reader :res
+          def initialize(a, b, *)
+            super
+            @res = [a, b]
+          end
+        end
+
+        B.new(1, 2).res
+      CODE
     end
 
     def test_KeywordHashNode