http://45.33.8.238/win/3052/step_6.txt
C:\src\llvm-project\clang\test\Preprocessor\file_test.c:9:11: error: CHECK: expected string not found in input
// CHECK: filename: "/UNLIKELY_PATH/empty{{/|\\\\}}file_test.c"
^
<stdin>:1:1: note: scanning from here
^
<stdin>:1:28: note: possible intended match here
^
+// XFAIL: system-windows
// RUN: %clang -E -ffile-prefix-map=%p=/UNLIKELY_PATH/empty -c -o - %s | FileCheck %s
// RUN: %clang -E -fmacro-prefix-map=%p=/UNLIKELY_PATH/empty -c -o - %s | FileCheck %s
// RUN: %clang -E -fmacro-prefix-map=%p=/UNLIKELY_PATH=empty -c -o - %s | FileCheck %s -check-prefix CHECK-EVIL