qiskit/releasenotes/notes/0.18/bugfix-gate-inverse-name-34...

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---
fixes:
- |
Fixed an issue in the assignment of the :attr:`~qiskit.circuit.Gate.name`
attribute to :class:`~qiskit.circuit.Gate` generated by multiple calls to
the :meth:`~qiskit.circuit.Gate.inverse`` method. Prior to this fix
when the :meth:`~qiskit.circuit.Gate.inverse`` was called it would
unconditionally append ``_dg`` on each call to inverse. This has
been corrected so on a second call of
:meth:`~qiskit.circuit.Gate.inverse`` the ``_dg`` suffix is now removed.