structured document comment: patch to provide comment for overriding function
template when comment is comming from overridden declaration. 
// rdar://12378793


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165953 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/CommentDumper.cpp b/lib/AST/CommentDumper.cpp
index 36261c4..4f51cd5 100644
--- a/lib/AST/CommentDumper.cpp
+++ b/lib/AST/CommentDumper.cpp
@@ -197,7 +197,7 @@
   dumpComment(C);
 
   if (C->hasParamName()) {
-    OS << " Param=\"" << C->getParamName() << "\"";
+    OS << " Param=\"" << C->getParamName(const_cast<FullComment*>(FC)) << "\"";
   }
 
   if (C->isPositionValid()) {