[Bug tree-optimization/41320] XFAIL gcc.dg/tree-ssa/forwprop-12.c

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41320

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Actually reconstructing array-refs is dangerous so I think the testcase looks
for something unwanted...