[Bug tree-optimization/52548] missed PRE optimization when function call follows to-be hoisted variable

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52548

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-21 
11:40:49 UTC ---
Ah, indeed we can.  But we should be able to prune from PA_OUT.