Issue #21694 has been updated by k0kubun (Takashi Kokubun). Backporting this causes multiple conflicts. Could you file a backport PR to `ruby_3_4` please? ---------------------------------------- Bug #21694: Crash when looking up super method from BasicObject https://bugs.ruby-lang.org/issues/21694#change-115497 * Author: byroot (Jean Boussier) * Status: Closed * Backport: 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED ---------------------------------------- Initially reported on Reddit by easydwh https://old.reddit.com/r/ruby/comments/1ozhupr/is_a_ruby_segmentation_fault_... Repro: ```ruby class BasicObject def basic_call_no_super super end end "test".basic_call_no_super ``` Pull Request: https://github.com/ruby/ruby/pull/15221 -- https://bugs.ruby-lang.org/