[PM] Add a unittest covering the invalidation of a Module analysis from
a function pass nested inside of a CGSCC pass manager.

This is very similar to the previous unittest but makes sure the
invalidation logic works across all the layers here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282378 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed