docs: protected static Variable snarfFieldValue(FieldInstruction fieldIns, ConstantPoolGen cpg, ValueNumberFrame frame)
              throws DataflowAnalysisException {
  
          if (isLongOrDouble(fieldIns, cpg)) {
              int numSlots = frame.getNumSlots();
              ValueNumber topValue = frame.getValue(numSlots - 1);
              ValueNumber nextValue = frame.getValue(numSlots - 2);
              return new LongOrDoubleLocalVariable(topValue, nextValue);
          } else {
              return new LocalVariable(frame.getTopValue());
          }
  
      }