proc.c: original arity

* proc.c (rb_mod_method_arity): return original arity of the method if
  aliased because of visibility change, like as Method#arity.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38967 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/ext/-test-/method/init.c b/ext/-test-/method/init.c
new file mode 100644
index 0000000000..cea2346240
--- /dev/null
+++ b/ext/-test-/method/init.c
@@ -0,0 +1,11 @@
+#include "ruby.h"
+
+#define init(n) {void Init_##n(VALUE klass); Init_##n(klass);}
+
+void
+Init_method(void)
+{
+    VALUE mBug = rb_define_module("Bug");
+    VALUE klass = rb_define_module_under(mBug, "Method");
+    TEST_INIT_FUNCS(init);
+}