Simon Pilgrim f5397a23ba Avoid use-after-move warnings by using swap instead. NFCI.
Swap should be as quick in these cases, and leaves the original variables in a known (empty) state.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360164 91177308-0d34-0410-b5e6-96231b3b80d8
2019-05-07 15:45:00 +00:00
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2019-05-07 02:06:37 +00:00