[Bug rtl-optimization/127688] -fcompare-debug failure when DEBUG_INSN changes selective-scheduling issue-group markers

[yqtian668 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127688

--- Comment #2 from Yongqiang Tian <yqtian668 at gmail dot com> ---
Created attachment 65736
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65736&action=edit
repro.sh