Fix that same path separator issue again...

Author: dwblaikie

clang/test/CodeGenCXX/debug-info-simple-template-names.cpp

@@ -56,7 +56,7 @@ void f() {
   f1<decltype(unnamed_struct)>();
   // CHECK: !DISubprogram(name: "f1<(unnamed struct at {{.*}}debug-info-simple-template-names.cpp:[[# @LINE - 3]]:3)>",
   f1<void (decltype(unnamed_struct))>();
-  // CHECK: !DISubprogram(name: "f1<void ((unnamed struct at {{.*}}CodeGenCXX/debug-info-simple-template-names.cpp:[[# @LINE - 5]]:3))>",
+  // CHECK: !DISubprogram(name: "f1<void ((unnamed struct at {{.*}}debug-info-simple-template-names.cpp:[[# @LINE - 5]]:3))>",
   enum {} unnamed_enum;
   f1<decltype(unnamed_enum)>();
   // CHECK: !DISubprogram(name: "f1<(unnamed enum at {{.*}}debug-info-simple-template-names.cpp:[[# @LINE - 2]]:3)>",