Refactor MarkDeductedTemplateParameters into
MarkUsedTemplateParameters, which is able to mark template parameters
used within non-deduced contexts as well as deduced contexts. Use this
to finish the implementation of [temp.deduct.partial]p11.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81794 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed