Properly rebuild pack expansions whose pattern is a non-type template
argument. As part of this, be more careful when determining if there
are any parameter packs that cannot be expanded.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122776 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed