Merging r215711:

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r215711 | wschmidt | 2014-08-15 06:51:57 -0700 (Fri, 15 Aug 2014) | 8 lines

[PPC64] Add test case for r215685.

I had deferred adding this test case until I could get it down to a
reasonable size.  That's done now.

Thanks,
Bill

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@215879 91177308-0d34-0410-b5e6-96231b3b80d8