void LocationSetTest::testFindNS()
{
    LocationSet set;
    QVERIFY(set.findNS(nullptr) == nullptr);

    set.insert(Location::regOf(REG_PENT_ESI));
    SharedExp e = set.findNS(Location::regOf(REG_PENT_ESI));
    QVERIFY(e == nullptr);

    set.insert(RefExp::get(Location::regOf(REG_PENT_EDI), nullptr));
    e = set.findNS(Location::regOf(REG_PENT_EDI));
    QVERIFY(e != nullptr);

    QCOMPARE(e->toString(), QString("r31{-}"));
}