diff --git a/clang/test/Lexer/has_feature_speculative_load_hardening.cpp b/clang/test/Lexer/has_feature_speculative_load_hardening.cpp
new file mode 100644
--- /dev/null
+++ b/clang/test/Lexer/has_feature_speculative_load_hardening.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang -E -mspeculative-load-hardening %s -o - | FileCheck --check-prefix=CHECK-SLH %s
+// RUN: %clang -E -mno-speculative-load-hardening %s -o - | FileCheck --check-prefix=CHECK-NOSLH %s
+// RUN: %clang -E %s -o - | FileCheck --check-prefix=CHECK-DEFAULT %s
+
+#if __has_feature(speculative_load_hardening)
+int SpeculativeLoadHardeningEnabled();
+#else
+int SpeculativeLoadHardeningDisabled();
+#endif
+
+// CHECK-SLH: SpeculativeLoadHardeningEnabled
+
+// CHECK-NOSLH: SpeculativeLoadHardeningDisabled
+
+// CHECK-DEFAULT: SpeculativeLoadHardeningDisabled