Issue #6216 has been updated by ko1 (Koichi Sasada).

Assignee set to matz (Yukihiro Matsumoto)
Target version changed from 2.0.0 to next minor

Matz, could you reply to it?

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Feature #6216: SystemStackError backtraces should not be reduced to one line
https://bugs.ruby-lang.org/issues/6216#change-31683

Author: postmodern (Hal Brodigan)
Status: Feedback
Priority: Normal
Assignee: matz (Yukihiro Matsumoto)
Category: core
Target version: next minor


When debugging "SystemStackError: stack level too deep" exceptions, it is not helpful that the backtrace is reduced to one single line. Most of the time Ruby incorrectly identifies where cycles begin, resulting in an unrelated "file:line" as the backtrace. A more useful behaviour would be to print the last 30 lines of the backtrace, and have the developer identify which "file:line" is causing the cycle. This is similar to how JRuby handles SystemStackError backtraces.


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