Documentation parsing: if typedef name is being declared
via a macro, try using declaration's starting location.
This is improvement over not having a valid location and
dropping comment altogether. // rdar://14348912


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187085 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/comment-to-html-xml-conversion.cpp b/test/Index/comment-to-html-xml-conversion.cpp
index b70259a..ed25c50 100644
--- a/test/Index/comment-to-html-xml-conversion.cpp
+++ b/test/Index/comment-to-html-xml-conversion.cpp
@@ -811,5 +811,16 @@
 void comment_to_xml_conversion_todo_4();
 // CHECK: comment-to-html-xml-conversion.cpp:[[@LINE-1]]:6: FunctionDecl=comment_to_xml_conversion_todo_4:{{.*}} FullCommentAsXML=[<Function file="{{[^"]+}}comment-to-html-xml-conversion.cpp" line="[[@LINE-1]]" column="6"><Name>comment_to_xml_conversion_todo_4</Name><USR>c:@F@comment_to_xml_conversion_todo_4#</USR><Declaration>void comment_to_xml_conversion_todo_4()</Declaration><Abstract><Para> Aaa. </Para></Abstract><Discussion><Para kind="todo"> Bbb. </Para><Para kind="todo"> Ccc.</Para></Discussion></Function>]
 
+// rdar://14348912
+#define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type
+
+/**! Documentation comment */
+typedef NS_ENUM(int, Color) { Red, Green, Blue };
+// CHECK: comment-to-html-xml-conversion.cpp:[[@LINE-1]]:22: TypedefDecl=Color:[[@LINE-1]]:22
+// CHECK-NEXT:  CommentAST=[
+// CHECK-NEXT:    (CXComment_FullComment
+// CHECK-NEXT:       (CXComment_Paragraph
+// CHECK-NEXT:         (CXComment_Text Text=[! Documentation comment ])))] 
+
 #endif