diff --git a/clang/test/Tooling/auto-detect-from-source.cpp b/clang/test/Tooling/auto-detect-from-source.cpp
index 40a2a1c..d8e82e7 100644
--- a/clang/test/Tooling/auto-detect-from-source.cpp
+++ b/clang/test/Tooling/auto-detect-from-source.cpp
@@ -6,3 +6,5 @@
 
 // CHECK: C++ requires
 invalid;
+
+// REQUIRES: shell