[Bug rtl-optimization/42461] [4.5 Regression] Missed optimisation for pure functions with __builtin_unreachable

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2009-12-31 16:01 -------
It isn't particularly easy to DCE predicates in a general fashion.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|enhancement                 |normal
          Component|c                           |rtl-optimization
           Keywords|                            |missed-optimization


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42461