Merging r261513:

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r261513 | mohit.bhakkad | 2016-02-22 11:46:28 +0530 (Mon, 22 Feb 2016) | 7 lines

[MSan] Make unaligned load/store functions compatible for both endians

Reviewers: eugenis

Subscribers: jaydeep, sagar, llvm-commits

Differential Revision: http://reviews.llvm.org/D17371
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llvm-svn: 270396