Issue #5719 has been updated by Koichi Sasada. Status changed from Assigned to Closed See #4040 and close this ticket. ---------------------------------------- Bug #5719: Hash::[] can't handle 100000+ args https://bugs.ruby-lang.org/issues/5719#change-62777 * Author: Nick Quaranto * Status: Closed * Priority: Normal * Assignee: Koichi Sasada * Target version: next minor * ruby -v: - * Backport: 2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: UNKNOWN ---------------------------------------- I couldn't pin down an exact size for when/how this occurs, but I have code that was creating hashes just fine with Hash::[] with 300k+ arguments. irb(main):056:0> (0...140000).map { |n| [:a, n] }.tap { |a| Hash[*a] }.size SystemStackError: stack level too deep from /Users/qrush/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/irb/workspace.rb:80 Maybe IRB bug! irb(main):057:0> (0...130000).map { |n| [:a, n] }.tap { |a| Hash[*a] }.size => 130000 -- https://bugs.ruby-lang.org/ Unsubscribe: <mailto:ruby-core-request / ruby-lang.org?subject=unsubscribe> <http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>