Commits on Oct 18, 2022

1. Fix qpy custom ControlledGate with overloaded _define() (#8927) …

   This commit fixes a bug in the QPY serialization of ControlledGate
   subclasses that defined custom _define() methods. The _define() method
   is the typical way to provide a custom definition in Gate classes. While
   ControlledGate class provides an alternative interface that handles
   custom control states at initialization, but the _define() interface is
   still valid even if it doesn't account for this. In #8571 we updated the
   QPY serialization code to use the _definition() method directly to
   correctly handle the open control case. But this fix neglected the case
   where people were providing definitions via the mechanism from Gate.
   This commit fixes this assumption by ensuring we load the definition
   that comes from _define() which will fix the serialization of these
   custom subclasses.
   
   Fixes #8794
   
   Co-authored-by: Jake Lishman <jake.lishman@ibm.com>
   Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
   (cherry picked from commit 3fb8939)

   

   mtreinish authored and mergify[bot] committed Oct 18, 2022
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2. Merge branch 'stable/0.22' into mergify/bp/stable/0.22/pr-8927

   

   mergify[bot] authored Oct 18, 2022
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