Douglas Gregor 66583c5ff3 Implement C++ DR 106 and C++ DR 540, both of which deal with
reference-collapsing. 

Implement diagnostic for formation of a reference to cv void.

Drop cv-qualifiers added to a reference type when the reference type
comes from a typedef.

llvm-svn: 58612
2008-11-03 15:51:28 +00:00
..