From: corey@... Date: 2018-01-03T21:01:46+00:00 Subject: [ruby-core:84622] [Ruby trunk Bug#14279] Modifying splat argument causes segmentation fault Issue #14279 has been reported by coreycerovsek (Corey Cerovsek). ---------------------------------------- Bug #14279: Modifying splat argument causes segmentation fault https://bugs.ruby-lang.org/issues/14279 * Author: coreycerovsek (Corey Cerovsek) * Status: Open * Priority: Normal * Assignee: * Target version: * ruby -v: ruby 2.5.0rc1 (2017-12-14 trunk 61243) [x86_64-linux] * Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN ---------------------------------------- Using Docker Ruby images ruby:2.2 through ruby:rc as of 2018-01-03, this little bit of code causes a segmentation fault: ~~~ class A def x(*args) args = 13 super end end A.new.x ~~~ I'm not sure what the behavior of super ought to be here, and it doesn't seem to be addressed by The Ruby Spec Suite, but with Ruby 2.1 (Docker ruby:2.1) this causes a "no superclass method" exception rather than crashing the interpreter. I'm guessing this has to do with the optimization in https://bugs.ruby-lang.org/issues/10440 -- https://bugs.ruby-lang.org/ Unsubscribe: