Issue #7772 has been updated by nagachika (Tomoyuki Chikanaga).

Backport set to 1.9.3: REQUIRED, 2.0.0: REQUIRED


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Bug #7772: Consider bumping stack size in ruby_qsort
https://bugs.ruby-lang.org/issues/7772#change-43677

Author: Conrad.Irwin (Conrad Irwin)
Status: Closed
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: core
Target version: current: 2.1.0
ruby -v: 1.9.3p362
Backport: 1.9.3: REQUIRED, 2.0.0: REQUIRED


At the moment the maximum size of the stack is 32. The comment implies this should be enough for arrays with up to 2**32 elements, but it's possible to create larger arrays on some big systems.

I was not able to trigger a bug with: ([0, 1] * (2**32 + 10000)).sort! so it may actually never be a problem in practice, but it seems unsafe.


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