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