Merging r195504:

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r195504 | mren | 2013-11-22 13:49:45 -0800 (Fri, 22 Nov 2013) | 6 lines

Debug Info: update testing cases to specify the debug info version number.

We are going to drop debug info without a version number or with a different
version number, to make sure we don't crash when we see bitcode files with
different debug info metadata format.

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llvm-svn: 196815