c28a977b87
Originally committed in fe7a3cedf77125a6309150d85cecbc20b1a31775 Reverted in 26dd64ba9cfabe5474bb207f3b7099965f81fed7 Buildbot failures: https://lab.llvm.org/buildbot#builders/139/builds/29663 - unittest trigger an invalid assertion. https://lab.llvm.org/buildbot#builders/196/builds/19665 - 'has virtual functions but non-virtual destructor' warning as error. Recommitted with fix: - Removed the assertion. - Added virtual destructor.