[OpenCL] Added a LIT test for ensuring address space mangling is done the same both in OpenCL1.2 and OpenCL2.0.
[OpenCL] Added a LIT test for ensuring address space mangling is done the same both in OpenCL1.2 and OpenCL2.0.

Patch by Egor Churaev (echuraev).

Reviewers: Anastasia

Subscribers: yaxunl, cfe-commits, bader

Differential Revision: https://reviews.llvm.org/D27403


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@288891 91177308-0d34-0410-b5e6-96231b3b80d8

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