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];