'pure' and 'const' functions should also be marked nounwind. Migrate
test over from llvm/test/FrontendC++ and update others to account for
the change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137669 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed