Backport #7983: Fixnumの演算子がprependでオーバーライドできない

[yuki teraoka]

=begin
Fixnumの演算子をprependを使ってオーバーライドしても、適用されない。

sendで実行した場合はprependしたmoduleのメソッドが実行される。

【再現手順】

module M
def /(other)
to_f / other
end
end

Fixnum.send(:prepend, M)

1 / 2 #=> 0
1.send(:/, 2) #=> 0.5
=end

[Nobuyoshi Nakada]

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

This issue was solved with changeset r39601.
yuki, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

class.c: check redefinition

• class.c (rb_prepend_module): check redefinition of built-in opimized methods. [Bug #7983]
• vm.c (rb_vm_check_redefinition_by_prepend): ditto.

[Nobuyoshi Nakada]

• Tracker changed from Bug to Backport
• Project changed from Ruby trunk to Backport200
• Status changed from Closed to Assigned
• Assignee set to Tomoyuki Chikanaga

[Tomoyuki Chikanaga]

• Status changed from Assigned to Closed

This issue was solved with changeset r39912.
yuki, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

merge revision(s) 39601 and 39602(partially): [Backport #7983]

* class.c (rb_prepend_module): check redefinition of built-in optimized
  methods.   [Bug #7983]

* vm.c (rb_vm_check_redefinition_by_prepend): ditto.