[Bug tree-optimization/124627] ICE with LTO with -O1/-O2/-O3 + -g

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124627

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
With -O1, the ICE is in dom, while -O2/-O3 is in threadfull.
-g is required.