Implemented parsing of objctive-c protocol conforming type used in 
an identifier statement. Fixed up pretty priting to print this type 
correctly.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42866 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/Type.cpp b/AST/Type.cpp
index 7deee66..af07d7a 100644
--- a/AST/Type.cpp
+++ b/AST/Type.cpp
@@ -858,14 +858,18 @@
 
 void ObjcQualifiedInterfaceType::getAsStringInternal(
                                   std::string &InnerString) const {
-  InnerString = getInterfaceType()->getDecl()->getName() + '<';
+  if (!InnerString.empty())    // Prefix the basic type, e.g. 'typedefname X'.
+    InnerString = ' ' + InnerString;
+  std::string ObjcQIString = getInterfaceType()->getDecl()->getName();
+  ObjcQIString += '<';
   int num = getNumProtocols();
   for (int i = 0; i < num; i++) {
-    InnerString += getProtocols(i)->getName();
+    ObjcQIString += getProtocols(i)->getName();
     if (i < num-1)
-      InnerString += ',';
+      ObjcQIString += ',';
   }
-  InnerString += '>';
+  ObjcQIString += '>';
+  InnerString = ObjcQIString + InnerString;
 }
 
 void TagType::getAsStringInternal(std::string &InnerString) const {