| B | ↘ | C | EnumSet got worse |
| ⇢ | B | EnumSetTest::testSymDiff() added | |
| ⇢ | A | EnumSetTest::testUnion() added | |
| ⇢ | A | EnumSetTest::testIntersect() added | |
| ⇢ | A | EnumSetTest::testDiff() added | |
| ⇢ | A | EnumSet::union() added | |
| ⇢ | A | EnumSet::intersect() added | |
| ⇢ | A | EnumSet::diff() added | |
| ⇢ | A | EnumSet::symDiff() added |