Fix reference-binding when we have a reference to const volatile type;
previously, we were allowing this to bind to a temporary. Now, we
don't; add test-cases and improve diagnostics.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94831 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed