[ruby-dev:48292] [ruby-trunk - Bug #9942] [Closed] reduce memory allocation in Array#permutation (fixed at r46416)

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Issue #9942 has been reported by Tomoyuki Chikanaga.

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Bug #9942: reduce memory allocation in Array#permutation (fixed at r46416)
https://bugs.ruby-lang.org/issues/9942

* Author: Tomoyuki Chikanaga
* Status: Closed
* Priority: Normal
* Assignee: Nobuyoshi Nakada
* Category: core
* Target version: current: 2.2.0
* ruby -v: -
* Backport: 2.0.0: REQUIRED, 2.1: REQUIRED
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rb_ary_permutation() allocate unnecessary large temporary array.
It's fixed at r46416.

This ticket is only for backport management.



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