diff --git a/clang-tools-extra/clang-doc/Representation.h b/clang-tools-extra/clang-doc/Representation.h
--- a/clang-tools-extra/clang-doc/Representation.h
+++ b/clang-tools-extra/clang-doc/Representation.h
@@ -348,10 +348,15 @@
 
   void merge(RecordInfo &&I);
 
-  TagTypeKind TagType = TagTypeKind::TTK_Struct; // Type of this record
-                                                 // (struct, class, union,
-                                                 // interface).
-  bool IsTypeDef = false; // Indicates if record was declared using typedef
+  // Type of this record (struct, class, union, interface).
+  TagTypeKind TagType = TagTypeKind::TTK_Struct;
+
+  // Indicates if the record was declared using a typedef. Things like anonymous
+  // structs in a typedef:
+  //   typedef struct { ... } foo_t;
+  // are converted into records with the typedef as the Name + this flag set.
+  bool IsTypeDef = false;
+
   llvm::SmallVector<MemberTypeInfo, 4>
       Members;                             // List of info about record members.
   llvm::SmallVector<Reference, 4> Parents; // List of base/parent records
diff --git a/clang-tools-extra/clang-doc/Representation.cpp b/clang-tools-extra/clang-doc/Representation.cpp
--- a/clang-tools-extra/clang-doc/Representation.cpp
+++ b/clang-tools-extra/clang-doc/Representation.cpp
@@ -222,6 +222,7 @@
   assert(mergeable(Other));
   if (!TagType)
     TagType = Other.TagType;
+  IsTypeDef = IsTypeDef || Other.IsTypeDef;
   if (Members.empty())
     Members = std::move(Other.Members);
   if (Bases.empty())
diff --git a/clang-tools-extra/clang-doc/YAMLGenerator.cpp b/clang-tools-extra/clang-doc/YAMLGenerator.cpp
--- a/clang-tools-extra/clang-doc/YAMLGenerator.cpp
+++ b/clang-tools-extra/clang-doc/YAMLGenerator.cpp
@@ -127,7 +127,8 @@
 
 static void RecordInfoMapping(IO &IO, RecordInfo &I) {
   SymbolInfoMapping(IO, I);
-  IO.mapOptional("TagType", I.TagType, clang::TagTypeKind::TTK_Struct);
+  IO.mapOptional("TagType", I.TagType);
+  IO.mapOptional("IsTypeDef", I.IsTypeDef, false);
   IO.mapOptional("Members", I.Members);
   IO.mapOptional("Bases", I.Bases);
   IO.mapOptional("Parents", I.Parents, llvm::SmallVector<Reference, 4>());
diff --git a/clang-tools-extra/unittests/clang-doc/MergeTest.cpp b/clang-tools-extra/unittests/clang-doc/MergeTest.cpp
--- a/clang-tools-extra/unittests/clang-doc/MergeTest.cpp
+++ b/clang-tools-extra/unittests/clang-doc/MergeTest.cpp
@@ -78,6 +78,7 @@
 TEST(MergeTest, mergeRecordInfos) {
   RecordInfo One;
   One.Name = "r";
+  One.IsTypeDef = true;
   One.Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
 
   One.DefLoc = Location(10, llvm::SmallString<16>{"test.cpp"});
@@ -119,6 +120,7 @@
 
   auto Expected = std::make_unique<RecordInfo>();
   Expected->Name = "r";
+  Expected->IsTypeDef = true;
   Expected->Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
 
   Expected->DefLoc = Location(10, llvm::SmallString<16>{"test.cpp"});
diff --git a/clang-tools-extra/unittests/clang-doc/YAMLGeneratorTest.cpp b/clang-tools-extra/unittests/clang-doc/YAMLGeneratorTest.cpp
--- a/clang-tools-extra/unittests/clang-doc/YAMLGeneratorTest.cpp
+++ b/clang-tools-extra/unittests/clang-doc/YAMLGeneratorTest.cpp
@@ -76,6 +76,7 @@
   RecordInfo I;
   I.Name = "r";
   I.Path = "path/to/A";
+  I.IsTypeDef = true;
   I.Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
 
   I.DefLoc = Location(10, llvm::SmallString<16>{"test.cpp"});
@@ -136,6 +137,7 @@
   - LineNumber:      12
     Filename:        'test.cpp'
 TagType:         Class
+IsTypeDef:       true
 Members:
   - Type:
       Name:            'int'
@@ -154,6 +156,7 @@
   - USR:             '0000000000000000000000000000000000000000'
     Name:            'F'
     Path:            'path/to/F'
+    TagType:         Struct
     Members:
       - Type:
           Name:            'int'