Make AttributedTypes for GC-qualified types and fix some miscellaneous
bugs with such types.  Not sure this is quite how I want the desugaring
and a.k.a. logic to go, but it suffices.

llvm-svn: 126986
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index e6d2af3..bccf6e7 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1364,6 +1364,7 @@
       break;
     case Type::Attributed:
       T = cast<AttributedType>(T)->getEquivalentType();
+      break;
     case Type::Elaborated:
       T = cast<ElaboratedType>(T)->getNamedType();
       break;