Add Decl::isParameterPack(), which covers both function and template
parameter packs, along with ParmVarDecl::isParameterPack(), which
looks for function parameter packs. Use these routines to fix some
obvious FIXMEs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122904 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed