[Bug tree-optimization/50729] [4.7 Regression] Silent code gen fault: Value range propagation seems to propagate values across narrowing/widening

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50729

Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
                 CC|                            |amylaar at gcc dot gnu.org
         Resolution|FIXED                       |

--- Comment #7 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> 
2011-11-18 23:13:49 UTC ---
When innerop is unsigned, and middleop is signed, the value computed
for middlemax is bogus.
The original test would catch that condition, the new test doesn't.