From: rafaelmfranca@...
Date: 2018-10-11T02:42:29+00:00
Subject: [ruby-core:89365] [Ruby trunk Bug#14920] Backport r63857 to fix performance problem on Time class in MacOs systems

Issue #14920 has been updated by rafaelfranca (Rafael Fran��a).


Hi, @nagachika and @usa

Can you take another look on this backport? The commit that you backported doesn't fix the issue. I tested both ruby_2_4 and ruby_2_5 branches and the issue is still there.

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Bug #14920: Backport r63857 to fix performance problem on Time class in MacOs systems
https://bugs.ruby-lang.org/issues/14920#change-74401

* Author: rafaelfranca (Rafael Fran��a)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 
* Backport: 2.3: REQUIRED, 2.4: DONE, 2.5: DONE
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Related to https://bugs.ruby-lang.org/issues/14435.

Both 2.4 and 2.5 are affected by this issue. Naruse-san commit fix it by not calling tzset() more than once when we know the year doesn't have leap seconds. 





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