[Bug tree-optimization/52361] gcc.dg/pr48141.c times out with checking enabled

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52361

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-24 
10:35:32 UTC ---
Actually I have a simple patch that speeds things up a bit, but not
significantly
so.