Index: test/Driver/aarch64-rand.c
===================================================================
--- test/Driver/aarch64-rand.c
+++ test/Driver/aarch64-rand.c
@@ -0,0 +1,13 @@
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.4a+rng %s 2>&1 | FileCheck %s
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.5a+rng %s 2>&1 | FileCheck %s
+// CHECK: "-target-feature" "+rand"
+
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.4a+norng %s 2>&1 | FileCheck %s --check-prefix=NORAND
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.5a+norng %s 2>&1 | FileCheck %s --check-prefix=NORAND
+// NORAND: "-target-feature" "-rand"
+
+// RUN: %clang -### -target aarch64-none-none-eabi                 %s 2>&1 | FileCheck %s --check-prefix=ABSENTRAND
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.4a %s 2>&1 | FileCheck %s --check-prefix=ABSENTRAND
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.5a %s 2>&1 | FileCheck %s --check-prefix=ABSENTRAND
+// ABSENTRAND-NOT: "-target-feature" "+rand"
+// ABSENTRAND-NOT: "-target-feature" "-rand"