http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57303
Marc Glisse <glisse at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2013-05-16 Component|rtl-optimization |tree-optimization Ever confirmed|0 |1 --- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> --- Seems to come from the "sink" pass. But it is suspicious that nothing in gcc removes the following long before we get there: MEM[(struct S0 *)&y] = MEM[(struct S0 *)&y];