Duncan P. N. Exon Smith a61a99b62e BitcodeReader: Fix some holes in upgrade from r267296 ...

Add tests for some missing cases to bitcode upgrade in r267296.

  - DICompositeType with an 'elements:' field, which will cause it to be
    involved in a cycle after the upgrade.

  - A DIDerivedType that references a class in 'extraData:'.

I updated test/Bitcode/dityperefs-3.8.ll with the missing cases and
regenerated test/Bitcode/dityperefs-3.8.ll.bc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267332 91177308-0d34-0410-b5e6-96231b3b80d8

2016-04-24 06:52:01 +00:00

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