Diagnose class members that shadow a template parameter. Fixes
<rdar://problem/6952203>. 

To do this, we actually remove a not-quite-correct optimization in the
C++ name lookup routines. We'll revisit this optimization for the
general case once more C++ is working.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73659 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed