Fix a thinko where I didn't update a consistency check for
PackExpansionType in the AST reader. We need more testing for variadic
templates + PCH, but this fixes PR9073.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124662 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed