Index: clang/test/Driver/cl-options.c
===================================================================
--- clang/test/Driver/cl-options.c
+++ clang/test/Driver/cl-options.c
@@ -782,8 +782,11 @@
 // EXTERNAL_W0: "-Wno-system-headers"
 // EXTERNAL_Wn: "-Wsystem-headers"
 
-// RUN: %clang_cl -vctoolsdir "" /arm64EC /c -### -- %s 2>&1 | FileCheck %s --check-prefix ARM64EC
-// ARM64EC: "-triple" "arm64ec-pc-windows-msvc19.20.0"
+// RUN: %clang_cl -vctoolsdir "" /arm64EC /c -### -- %s 2>&1 | FileCheck --check-prefix=ARM64EC %s 
 // ARM64EC-NOT: /arm64EC has been overridden by specified target
+// ARM64EC: "-triple" "arm64ec-pc-windows-msvc19.20.0"
+
+// RUN: %clang_cl -vctoolsdir "" /arm64EC /c -target x86_64-pc-windows-msvc  -### -- %s 2>&1 | FileCheck --check-prefix=ARM64EC_OVERRIDE %s
+// ARM64EC_OVERRIDE: warning: /arm64EC has been overridden by specified target: x86_64-pc-windows-msvc; option ignored
 
 void f(void) { }