Merging r345839:

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r345839 | erichkeane | 2018-11-01 08:11:43 -0700 (Thu, 01 Nov 2018) | 6 lines

Multiversioning- Ensure all MV functions are emitted.

Multiverson function versions are always used (by the resolver), so ensure that
they are always emitted.

Change-Id: I5d2e0841fddf0d18918b3fb92ae76814add7ee96
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llvm-svn: 348686