Bitcode: Add a more comprehensive multi-module test now that we have both llvm-cat and llvm-modextract.

Differential Revision: https://reviews.llvm.org/D27189

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288202 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed