1 files changed, 2 insertions, 0 deletions
diff --git a/include/clang/AST/ExternalASTSource.h b/include/clang/AST/ExternalASTSource.h
index db2bddb4bf..826e95b109 100644
--- a/include/clang/AST/ExternalASTSource.h
+++ b/include/clang/AST/ExternalASTSource.h
@@ -24,7 +24,9 @@ class ASTConsumer;
 class CXXBaseSpecifier;
 class DeclarationName;
 class ExternalSemaSource; // layering violation required for downcasting
+class FieldDecl;
 class NamedDecl;
+class RecordDecl;
 class Selector;
 class Stmt;
 class TagDecl;