Workaround compiler issue

I can't figure this one out, but it seems to be a clang compiler bug
that is triggered in association with -DQT_NO_DEBUG. Changing the
test from QVERIFY to QCOMPARE keeps the intent and the check, but makes
the failure go away.

It can't hurt...

Change-Id: Ib34e5e850e5b731d729e417430dec55e372805ac
Reviewed-by: Chris Adams <christopher.adams@nokia.com>

tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp

@@ -1216,7 +1216,7 @@ void tst_QArrayData::literals()
 #endif
 
         QVERIFY(v.isSharable());
-        QVERIFY(v.constBegin() + v.size() == v.constEnd());
+        QCOMPARE(v.constBegin() + v.size(), v.constEnd());
 
         for (int i = 0; i < 10; ++i)
             QCOMPARE(const_(v)[i], char('A' + i));