Summary:
rL270567 excluded trivially copyable types from being moved by
modernize-pass-by-value, but it didn't exclude references to them.
Change types used in the tests to not be trivially copyable.
Reviewers: madsravn, aaron.ballman, alexfh
Subscribers: JDevlieghere, cfe-commits
Differential Revision: https://reviews.llvm.org/D28614
llvm-svn: 291796