http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54871



Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

             Status|NEW                         |ASSIGNED

         AssignedTo|unassigned at gcc dot       |ebotcazou at gcc dot

                   |gnu.org                     |gnu.org



--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-10-12 
21:37:35 UTC ---

Created attachment 28437

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28437

Reduced testcase



The loop2_unroll dump reads:



Loop 3 is simple:

  simple exit 10 -> 12

  number of iterations: (const_int -1 [0xffffffffffffffff])

  upper bound: 1073741823

  realistic bound: -1



The number of iterations is of course bogus.

Reply via email to