[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
gcc-bugzilla@gcc.gnu.org
Fri Nov 18 23:24:00 GMT 2011
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.
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