Attach enum'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@173516 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 0b771745fd..b0cea14788 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -434,6 +434,16 @@ comments::FullComment *ASTContext::getCommentForDecl(
         }
       }
     }
+    else if (const TypedefDecl *TD = dyn_cast<TypedefDecl>(D)) {
+      QualType QT = TD->getUnderlyingType();
+      if (const EnumType *ET = QT->getAs<EnumType>()) {
+        if (const EnumDecl *ED = ET->getDecl())
+          if (comments::FullComment *FC = getCommentForDecl(ED, PP)) {
+            comments::FullComment *CFC = cloneFullComment(FC, D);
+            return CFC;
+          }
+      }
+    }
     return NULL;
   }