[ruby-core:111699] [Ruby master Bug#19319] Crash in rb_str_casemap

Issue #19319 has been reported by peterzhu2118 (Peter Zhu). ---------------------------------------- Bug #19319: Crash in rb_str_casemap https://bugs.ruby-lang.org/issues/19319 * Author: peterzhu2118 (Peter Zhu) * Status: Open * Priority: Normal * Backport: 2.7: REQUIRED, 3.0: REQUIRED, 3.1: REQUIRED, 3.2: REQUIRED ---------------------------------------- Fix here: https://github.com/ruby/ruby/pull/7080 The following code crashes on my machine: ```ruby GC.stress = true str = "testing testing testing" puts str.capitalize ``` I can repro this issue on Ruby 2.7.7, 3.0.5, 3.1.3, 3.2.0. -- https://bugs.ruby-lang.org/