From: usa@...
Date: 2018-01-31T13:16:30+00:00
Subject: [ruby-core:85300] [Ruby trunk Bug#13964] [BUG] Stack consistency	error

Issue #13964 has been updated by usa (Usaku NAKAMURA).

Backport changed from 2.3: REQUIRED, 2.4: DONE to 2.3: DONE, 2.4: DONE

ruby_2_3 r62135 merged revision(s) 60099,60100.

----------------------------------------
Bug #13964: [BUG] Stack consistency error
https://bugs.ruby-lang.org/issues/13964#change-70080

* Author: md1961 (Naoyuki Kumagai)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-linux]
* Backport: 2.3: DONE, 2.4: DONE
----------------------------------------
You get "[BUG] Stack consistency error" when you run attached 'bug_repro.rb'.

If you change line 44 in the script

    option_draw&.weight *= 2

to

    option_draw.weight *= 2 if option_draw

you get no error.

Also if you change line 63 in the script

    2.times do |age|

to

    1.times do |age|

you get no error neither.

Thank you in advance.


---Files--------------------------------
bug_repro.rb (1016 Bytes)
bug_repro.out (11 KB)


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