[Bug tree-optimization/51275] CLOBBERS can be optimized if they are right before the return (or RESX)

[matz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51275

--- Comment #7 from Michael Matz <matz at gcc dot gnu.org> 2011-12-05 16:02:10 
UTC ---
As said, this would still require ugly fiddling with exception edges.
Getting rid of some of the clobbers a posteriori seems cleaner.