Merging r295762:

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r295762 | eugenis | 2017-02-21 12:17:34 -0800 (Tue, 21 Feb 2017) | 3 lines

Fix PR31896.

Address of an alias of a global with offset is incorrectly lowered as an address of the global (i.e. ignoring offset).
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llvm-svn: 296002