1 files changed, 16 insertions, 0 deletions
diff --git a/ext/rubyvm/lib/forwardable/impl.rb b/ext/rubyvm/lib/forwardable/impl.rb
new file mode 100644
index 0000000000..e9bde2f299
--- /dev/null
+++ b/ext/rubyvm/lib/forwardable/impl.rb
@@ -0,0 +1,16 @@
+# :stopdoc:
+module Forwardable
+  def self._valid_method?(method)
+    iseq = RubyVM::InstructionSequence.compile("().#{method}", nil, nil, 0, false)
+  rescue SyntaxError
+    false
+  else
+    iseq.to_a.dig(-1, 1, 1, :mid) == method.to_sym
+  end
+
+  def self._compile_method(src, file, line)
+    RubyVM::InstructionSequence.compile(src, file, file, line,
+               trace_instruction: false)
+      .eval
+  end
+end