Backport #8502: Backport r41175

• Status: Closed
• Assignee: nagachika (Tomoyuki Chikanaga)

r41175 fixes Module#include failing to increment ruby_vm_global_state_version when a module without any methods was included into a class.

This can cause constant lookups to be incorrectly cached.

[nagachika (Tomoyuki Chikanaga)]

• Status changed from Open to Assigned

[nagachika (Tomoyuki Chikanaga)]

• Status changed from Assigned to Closed
• % Done changed from 0 to 100

This issue was solved with changeset r41192.
Charlie, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

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merge revision(s) 41175: [Backport #8502]

* class.c (include_modules_at): invalidate method cache if included
  module contains constants

* test/ruby/test_module.rb: add test