[Bug tree-optimization/51042] [4.5/4.6/4.7 Regression] endless recursion in phi_translate

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51042

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-11-10 
12:50:51 UTC ---
Of course in principle the issue is that an SSA name can have an expression
leader that references the SSA name itself.