Rename Sema::IsOverload to Sema::CheckOverload.  Teach it to ignore unresolved
using value decls;  we optimistically assume they won't turn into conflicts.
Teach it to tell the caller *why* the function doesn't overload with the returned
decl;  this will be useful for using hiding.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90939 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed