Fix the last character index in an assertion
Also, when RUBY_DEBUG is enabled, objects allocated in shared-gc fail at rb_ractor_confirm_belonging, so assert it always.
RUBY_DEBUG
rb_ractor_confirm_belonging
Added by nobu (Nobuyoshi Nakada) about 1 year ago
Fix the last character index in an assertion
Also, when
RUBY_DEBUGis enabled, objects allocated in shared-gcfail at
rb_ractor_confirm_belonging, so assert it always.