Comment parsing: recognize \param ... on function templates with variadic
parameters

Patch by Joe Ranieri.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204235 91177308-0d34-0410-b5e6-96231b3b80d8
Comment parsing: fix a crash when dumping comment ast for a function template
with variadic parameters

Patch by Joe Ranieri.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204236 91177308-0d34-0410-b5e6-96231b3b80d8