diff --git a/clang/test/AST/Interp/intap.cpp b/clang/test/AST/Interp/intap.cpp
index 4ca65e10404848..b3f02d2b769531 100644
--- a/clang/test/AST/Interp/intap.cpp
+++ b/clang/test/AST/Interp/intap.cpp
@@ -76,4 +76,9 @@ namespace i128 {
                                            // expected-note {{is outside the range of representable values of type}}
 }
 
+#else
+/// No int128 support, so no expected directives.
+
+// expected-no-diagnostics
+// ref-no-diagnostics
 #endif