1 files changed, 1 insertions, 0 deletions
diff --git a/include/lldb/Core/ClangForward.h b/include/lldb/Core/ClangForward.h
index 0b3f13a16602..ef7308d25f7f 100644
--- a/include/lldb/Core/ClangForward.h
+++ b/include/lldb/Core/ClangForward.h
@@ -58,6 +58,7 @@ namespace clang
     class DiagnosticsEngine;
     class DiagnosticOptions;
     class EnumDecl;
+    class EnumConstantDecl;
     class Expr;
     class ExternalASTSource;
     class ExtVectorElementExpr;