Add a printing policy flag to suppress printing "<anonymous>::" prior

to types. Enable this flag for code completion, where knowing whether
something is in an anonymous or inline namespace is actually not
useful, since you don't have to type it anyway. Fixes
<rdar://problem/10208818>.

llvm-svn: 143599

clang/lib/Sema/SemaCodeComplete.cpp

@@ -1381,6 +1381,7 @@ static PrintingPolicy getCompletionPrintingPolicy(Sema &S) {
   PrintingPolicy Policy = S.getPrintingPolicy();
   Policy.AnonymousTagLocations = false;
   Policy.SuppressStrongLifetime = true;
+  Policy.SuppressUnwrittenScope = true;
   return Policy;
 }