[Bug middle-end/56748] Bogus uninitialized warning with nested if condition

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56748

Jeffrey A. Law <law at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Jeffrey A. Law <law at redhat dot com> ---
Not sure when this was fixed, but it works fine on the trunk.  VRP1/DOM2 are
able to thread the conditional branches (which removes unexecutable paths) with
the net result is all the uninitialized uses of b.0 are ultimately removed.