From: nagachika00@... Date: 2014-12-24T03:14:20+00:00 Subject: [ruby-core:67091] [ruby-trunk - Bug #10623] rb_hash_delete() can return Qundef in 2.2-rc1 Issue #10623 has been updated by Tomoyuki Chikanaga. Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: REQUIRED to 2.0.0: REQUIRED, 2.1: REQUIRED, 2.2: REQUIRED I didn't confirm it by myyself, but r48114 was already backported into ruby_2_1/ruby_2_0_0. So this should be backported into them too. ---------------------------------------- Bug #10623: rb_hash_delete() can return Qundef in 2.2-rc1 https://bugs.ruby-lang.org/issues/10623#change-50604 * Author: Aman Gupta * Status: Closed * Priority: Normal * Assignee: * Category: * Target version: current: 2.2.0 * ruby -v: ruby 2.2.0dev [x86_64-darwin14] * Backport: 2.0.0: REQUIRED, 2.1: REQUIRED, 2.2: REQUIRED ---------------------------------------- The behavior of rb_hash_delete() has changed from 2.1. Before, it would always return Qnil or VALUE. Now it can also return Qundef, which is breaking the posix-spawn gem's usage: https://github.com/rtomayko/posix-spawn/blob/master/ext/posix-spawn.c#L242-L258 It also appears RTEST(Qundef) returns true, which causes a segfault in posix-spawn gem here: https://github.com/rtomayko/posix-spawn/blob/master/ext/posix-spawn.c#L425 I think we should revert back to original behavior before 2.2.0 is released. -- https://bugs.ruby-lang.org/