Fix test on Windows

Author: jansvoboda11

clang/test/ClangScanDeps/modules-pch-common-stale.c

@@ -11,7 +11,6 @@ module mod_tu_extra { header "mod_tu_extra.h" }
 
 //--- mod_common.h
 #define MOD_COMMON_MACRO 0
-
 //--- mod_tu.h
 #include "mod_common.h"
 #if MOD_COMMON_MACRO
@@ -41,7 +40,7 @@ module mod_tu_extra { header "mod_tu_extra.h" }
 // RUN: clang-scan-deps -format experimental-full -o %t/deps_tu_clean.json -- \
 // RUN:     %clang -c %t/tu.c -o %t/tu.o -include %t/prefix.h -F %t \
 // RUN:     -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/cache
-// RUN: FileCheck --input-file=%t/deps_tu_clean.json %s --check-prefix=CHECK-TU-CLEAN -DPREFIX=%/t
+// RUN: cat %t/deps_tu_clean.json | sed 's:\\\\\?:/:g' | FileCheck %s --check-prefix=CHECK-TU-CLEAN -DPREFIX=%/t
 // CHECK-TU-CLEAN:      {
 // CHECK-TU-CLEAN-NEXT:   "modules": [
 // CHECK-TU-CLEAN-NEXT:     {
@@ -110,7 +109,7 @@ module mod_tu_extra { header "mod_tu_extra.h" }
 // RUN: clang-scan-deps -format experimental-full -o %t/deps_tu_incremental.json -- \
 // RUN:     %clang -c %t/tu.c -o %t/tu.o -include %t/prefix.h -F %t \
 // RUN:     -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/cache
-// RUN: FileCheck --input-file=%t/deps_tu_incremental.json %s --check-prefix=CHECK-TU-INCREMENTAL -DPREFIX=%/t
+// RUN: cat %t/deps_tu_incremental.json | sed 's:\\\\\?:/:g' | FileCheck %s --check-prefix=CHECK-TU-INCREMENTAL -DPREFIX=%/t
 // CHECK-TU-INCREMENTAL:      {
 // CHECK-TU-INCREMENTAL-NEXT:   "modules": [
 // CHECK-TU-INCREMENTAL-NEXT:     {