Bug #11687: Method visibility changers works on frozen modules

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.3.0dev (2015-11-14 trunk 52576) [x86_64-darwin15]
• Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN

[kachick (Kenichi Kamiya)]

Method visibility changers are working after freeze.
Is this an intended behavior?

patch

module Foo
  CONSTANT = nil
  def func; end

  freeze
end

Foo.private_constant :CONSTANT #=> RuntimeError: can't modify frozen module
Foo.__send__ :private, :func  #=> returned: Foo, expected: a RuntimeError as above
Foo.private_instance_methods #=> [:func]

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset r52579.

---

vm_method.c: check if frozen [Fix GH-1096]

• vm_method.c (set_method_visibility): should fail if the receiver
  is frozen. [ruby-core:71489] [Bug #11687]