DivergenceAnalysisTest: fix use of uninitialized memory

Thanks to Simon Moll for chasing it down.

Change-Id: If188f07c4aaec217f40a7a2ca029818f9202f1cb

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@344738 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed