- Support noreturn on function-typed variables.
- Extend isFunctionOrMethod to return true for K&R functions and
provide hasFunctionProto to check if a decl has information about
its arguments. This code needs some serious cleaning, but works.
- Add/improve test cases for noreturn and unused.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57778 91177308-0d34-0410-b5e6-96231b3b80d8
Daniel Dunbar