docs: private boolean isExceptionEdge(Edge edge) {
          boolean isExceptionEdge = edge.isExceptionEdge();
          if (isExceptionEdge) {
              if (DEBUG) {
                  System.out.println("NOT Ignoring " + edge);
              }
              return true; // false
          }
          if (edge.getType() != EdgeTypes.FALL_THROUGH_EDGE) {
              return false;
          }
          InstructionHandle h = edge.getSource().getLastInstruction();
          return h != null
              && h.getInstruction() instanceof IFNONNULL
              && isNullCheck(h, methodGen.getConstantPool());
      }