We are seeing a NPE in the BridgeHoisting that repros on 2.2.71, 2.2.75 and 2.2.80 versions of R8 but is not reproducible in 3.0.62

Stacktrace for R8 2.2.80:

Caused by: java.lang.NullPointerException
        at com.android.tools.r8.optimize.BridgeHoisting.createCodeForVirtualBridge(BridgeHoisting.java:297)
        at com.android.tools.r8.optimize.BridgeHoisting.hoistBridgeIfPossible(BridgeHoisting.java:242)
        at com.android.tools.r8.optimize.BridgeHoisting.processClass(BridgeHoisting.java:105)
        at com.android.tools.r8.optimize.BridgeHoisting.lambda$run$0(BridgeHoisting.java:87)
        at com.android.tools.r8.graph.ClassHierarchyTraversal.visit(ClassHierarchyTraversal.java:82)
        at com.android.tools.r8.graph.BottomUpClassHierarchyTraversal.visit(BottomUpClassHierarchyTraversal.java:7)
        at com.android.tools.r8.optimize.BridgeHoisting.run(BridgeHoisting.java:87)
        at com.android.tools.r8.R8.run(R8.java:735)
        at com.android.tools.r8.R8.run(R8.java:274)
        at com.android.tools.r8.R8.lambda$runForTesting$1(R8.java:265)
        at com.android.tools.r8.utils.ExceptionUtils.withCompilationHandler(ExceptionUtils.java:70)
        ... 134 more

Please let me know if additional details are required.