[Bug tree-optimization/90437] Overflow detection too late for VRP

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon May 13 09:35:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90437

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-05-13
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
VRP obviously only sees a + b in [0, 20] and [0, 20] < [0, 10] as unknown.


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