Index: include/lldb/Symbol/ClangASTContext.h
===================================================================
--- include/lldb/Symbol/ClangASTContext.h
+++ include/lldb/Symbol/ClangASTContext.h
@@ -261,7 +261,8 @@
   CompilerType CreateRecordType(clang::DeclContext *decl_ctx,
                                 lldb::AccessType access_type, const char *name,
                                 int kind, lldb::LanguageType language,
-                                ClangASTMetadata *metadata = nullptr);
+                                ClangASTMetadata *metadata = nullptr,
+                                bool exports_symbols = false);
 
   class TemplateParameterInfos {
   public:
Index: packages/Python/lldbsuite/test/python_api/type/TestTypeList.py
===================================================================
--- packages/Python/lldbsuite/test/python_api/type/TestTypeList.py
+++ packages/Python/lldbsuite/test/python_api/type/TestTypeList.py
@@ -73,13 +73,17 @@
                         self.assertTrue(enum_member)
                         self.DebugSBType(enum_member.type)
                 elif field.name == "my_type_is_nameless":
-                    self.assertTrue(
+                    self.assertFalse(
                         field.type.IsAnonymousType(),
-                        "my_type_is_nameless has an anonymous type")
+                        "my_type_is_nameless is not an anonymous type")
                 elif field.name == "my_type_is_named":
                     self.assertFalse(
                         field.type.IsAnonymousType(),
                         "my_type_is_named has a named type")
+                elif field.name == None: 
+                    self.assertTrue(
+                        field.type.IsAnonymousType(),
+                        "Nameless type is not anonymous")
 
         # Pass an empty string.  LLDB should not crash. :-)
         fuzz_types = target.FindTypes(None)
Index: packages/Python/lldbsuite/test/python_api/type/main.cpp
===================================================================
--- packages/Python/lldbsuite/test/python_api/type/main.cpp
+++ packages/Python/lldbsuite/test/python_api/type/main.cpp
@@ -15,6 +15,14 @@
         TASK_TYPE_1,
         TASK_TYPE_2
     } type;
+    // This struct is anonymous b/c it does not have a name
+    // and it is not unnamed class.
+    // Anonymous classes are a GNU extension.
+    struct {
+      int y;
+    };
+    // This struct is an unnamed class see [class.pre]p1
+    // http://eel.is/c++draft/class#pre-1.sentence-6
     struct {
       int x;
     } my_type_is_nameless;
Index: source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
===================================================================
--- source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
+++ source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
@@ -181,6 +181,7 @@
   bool is_scoped_enum = false;
   bool is_vector = false;
   bool is_virtual = false;
+  bool exports_symbols = false;
   clang::StorageClass storage = clang::SC_None;
   const char *mangled_name = nullptr;
   lldb_private::ConstString name;
Index: source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
===================================================================
--- source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -347,6 +347,9 @@
     case DW_AT_GNU_vector:
       is_vector = form_value.Boolean();
       break;
+    case DW_AT_export_symbols:
+      exports_symbols = form_value.Boolean();
+      break;
     }
   }
 }
@@ -1543,7 +1546,7 @@
       clang_type_was_created = true;
       clang_type = m_ast.CreateRecordType(
           decl_ctx, attrs.accessibility, attrs.name.GetCString(), tag_decl_kind,
-          attrs.class_language, &metadata);
+          attrs.class_language, &metadata, attrs.exports_symbols);
     }
   }
 
Index: source/Symbol/ClangASTContext.cpp
===================================================================
--- source/Symbol/ClangASTContext.cpp
+++ source/Symbol/ClangASTContext.cpp
@@ -1346,11 +1346,9 @@
 
 #pragma mark Structure, Unions, Classes
 
-CompilerType ClangASTContext::CreateRecordType(DeclContext *decl_ctx,
-                                               AccessType access_type,
-                                               const char *name, int kind,
-                                               LanguageType language,
-                                               ClangASTMetadata *metadata) {
+CompilerType ClangASTContext::CreateRecordType(
+    DeclContext *decl_ctx, AccessType access_type, const char *name, int kind,
+    LanguageType language, ClangASTMetadata *metadata, bool exports_symbols) {
   ASTContext *ast = getASTContext();
   assert(ast != nullptr);
 
@@ -1404,7 +1402,7 @@
     //
     // FIXME: An unnamed class within a class is also wrongly recognized as an
     // anonymous struct.
-    if (isa<CXXRecordDecl>(decl_ctx))
+    if (isa<CXXRecordDecl>(decl_ctx) && exports_symbols)
       decl->setAnonymousStructOrUnion(true);
   }
 
Index: test/Shell/SymbolFile/DWARF/clang-ast-from-dwarf-unamed-and-anon-structs.cpp
===================================================================
--- /dev/null
+++ test/Shell/SymbolFile/DWARF/clang-ast-from-dwarf-unamed-and-anon-structs.cpp
@@ -0,0 +1,21 @@
+// Test to verify we are corectly generating anonymous flags when parsing
+// anonymous class and unnamed structs from DWARF to the a clang AST node.
+
+// RUN: %clang++ -g -c -o %t.o %s
+// RUN: lldb-test symbols -dump-clang-ast -name "A::(anonymous struct)" %t.o |
+// FileCheck %s
+
+struct A {
+  struct {
+    int x;
+  };
+  struct {
+    int y;
+  } C;
+} a;
+
+// CHECK: A::(anonymous struct)
+// CHECK: |-DefinitionData is_anonymous pass_in_registers aggregate
+// standard_layout trivially_copyable pod trivial literal CHECK: A::(anonymous
+// struct) CHECK: |-DefinitionData pass_in_registers aggregate standard_layout
+// trivially_copyable pod trivial literal