https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122537

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |16.0
            Summary|[13/14/15/16 Regression]    |[13/14/15 Regression] wrong
                   |wrong code at -O3 with      |code at -O3 with -fwrapv
                   |-fwrapv                     |

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
The testcase is now fixed.  I believe niters are still computed wrong for the
case the loop iterates, like when a is very large initially and d + a - 80
overflows.  Fuzzers will surely find a testcase for that.

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