[Bug tree-optimization/127133] [17 Regression] cond_store_replacement_limited mishandles const this

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127133

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
lhs_could_trap_p needs to be tightened up for MEM_REF case were the base is
this.