Allow createView() to return a null view on failure (which it already
did in release mode builds), but fail the test gracefully instead of
crashing when a null view is returned. Also reordered the code slightly
to put all the QFETCH's together.
Task-number: QTBUG-17582
Reviewed-by: Rohan McGovern
Change-Id: I3a41c738cb0e4e860db2342b30817a804b20f30d
(cherry picked from commit 51b1d8dc20a2557d2002550b03e5b9f37f425fb4)
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
