(Object o)
| 10 | } |
| 11 | |
| 12 | Object foo2(Object o) { |
| 13 | if (o == null) |
| 14 | return o; |
| 15 | |
| 16 | if (o instanceof String) |
| 17 | return o; |
| 18 | |
| 19 | // we should flag the o != null test as redundant |
| 20 | if (o != null && o instanceof Set) |
| 21 | return ((Set) o).iterator(); |
| 22 | |
| 23 | // no warning should be generated here |
| 24 | return o.getClass(); |
| 25 | } |
| 26 | |
| 27 | Object bar(Object o) { |
| 28 | if (o != null) |