From 87611cdd0c1a8e5648d63e141f471644c6f7dc64 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Sat, 26 Jan 2013 20:49:30 +0000
Subject: [PATCH] Attach any tag type's documentation to its typedef if latter
 does not have one of its own. // rdar://13067629

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173586 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AST/ASTContext.cpp                 | 6 +++---
 test/Index/annotate-comments-typedef.m | 6 ++++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 7ba64e32f3..9107307700 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -431,9 +431,9 @@ comments::FullComment *ASTContext::getCommentForDecl(
       // Attach enum's documentation to its typedef if latter
       // does not have one of its own.
       QualType QT = TD->getUnderlyingType();
-      if (const EnumType *ET = QT->getAs<EnumType>())
-        if (const EnumDecl *ED = ET->getDecl())
-          if (comments::FullComment *FC = getCommentForDecl(ED, PP))
+      if (const TagType *TT = QT->getAs<TagType>())
+        if (const Decl *TD = TT->getDecl())
+          if (comments::FullComment *FC = getCommentForDecl(TD, PP))
             return cloneFullComment(FC, D);
     }
     return NULL;
diff --git a/test/Index/annotate-comments-typedef.m b/test/Index/annotate-comments-typedef.m
index 6e5fb73520..784c51ec8c 100644
--- a/test/Index/annotate-comments-typedef.m
+++ b/test/Index/annotate-comments-typedef.m
@@ -28,3 +28,9 @@ enum E {
 };
 typedef enum E E_T;
 // CHECK: TypedefDecl=E_T:[[@LINE-1]]:16 (Definition) FullCommentAsHTML=[<p class="para-brief"> Documentation for E </p>] FullCommentAsXML=[<Typedef file="{{[^"]+}}annotate-comments-typedef.m" line="[[@LINE-1]]" column="16"><Name>E</Name><USR>c:@E@E</USR><Declaration>typedef enum E E_T</Declaration><Abstract><Para> Documentation for E </Para></Abstract></Typedef>]
+
+/** Comment about Foo */
+typedef struct {
+	  int iii;
+        } Foo;
+// CHECK: TypedefDecl=Foo:[[@LINE-1]]:11 (Definition) FullCommentAsHTML=[<p class="para-brief"> Comment about Foo </p>] FullCommentAsXML=[<Typedef file="{{[^"]+}}annotate-comments-typedef.m" line="[[@LINE-1]]" column="11"><Name>&lt;anonymous&gt;</Name><USR>c:@SA@Foo</USR><Declaration>typedef struct Foo Foo</Declaration><Abstract><Para> Comment about Foo </Para></Abstract></Typedef>]
-- 
2.40.0