Issue #8328 has been updated by usa (Usaku NAKAMURA).

Status changed from Open to Assigned
Assignee set to usa (Usaku NAKAMURA)

Sorry for late reply.

trunk is too different from 1.9.3, so I cannot patch r40457 simply.
Please wait more. 
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Backport #8328: r40457 - Hash#shift performance improvement
https://bugs.ruby-lang.org/issues/8328#change-39558

Author: charliesome (Charlie Somerville)
Status: Assigned
Priority: Normal
Assignee: usa (Usaku NAKAMURA)
Category: 
Target version: 


r40457 contains a patch which significantly improves the performance of Hash#shift.

As it does not change behaviour, it should be backported.

Thanks.


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