[Bug rtl-optimization/128055] wrong code at -O1 and above: store is deleted although it is read back through an __attribute__((alias)) of the variable

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128055

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
so base_alias_check returns true, so does {write,anti,true}_dependence, but DSE
doesn't seem to use that here.