test: attempt to repair windows build

Replace use of /dev/null with /var/empty.  lit will substitute the /dev/null
include path resulting in failures.  Use a path under /var/empty which is
supposed to be empty to ensure that we can successfully test.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@268784 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Preprocessor/sysroot-prefix.c b/test/Preprocessor/sysroot-prefix.c
index feea5023e3e8e4313f6fa2ea873e63897a59ad0e..5c086e3f82029987b6d3ca2a03f3440be3aadfc4 100644 (file)
--- a/test/Preprocessor/sysroot-prefix.c
+++ b/test/Preprocessor/sysroot-prefix.c
@@ -1,21 +1,18 @@
-// RUN: %clang_cc1 -v -isysroot /var/empty -I /dev/null -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_NO_SYSROOT %s
-// RUN: %clang_cc1 -v -isysroot /var/empty -I =/dev/null -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_SYSROOT_DEV_NULL %s
-// RUN: %clang_cc1 -v -I =/dev/null -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL %s
+// RUN: %clang_cc1 -v -isysroot /var/empty -I /var/empty/include -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_NO_SYSROOT %s
+// RUN: %clang_cc1 -v -isysroot /var/empty -I =/var/empty/include -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_SYSROOT_DEV_NULL %s
+// RUN: %clang_cc1 -v -I =/var/empty/include -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL %s
 // RUN: %clang_cc1 -v -isysroot /var/empty -I =null -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_SYSROOT_NULL %s
 // RUN: %clang_cc1 -v -isysroot /var/empty -isysroot /var/empty/root -I =null -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_ISYSROOT_SYSROOT_NULL %s
 // RUN: %clang_cc1 -v -isysroot /var/empty/root -isysroot /var/empty -I =null -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_ISYSROOT_SWAPPED_SYSROOT_NULL %s
 
-// CHECK-ISYSROOT_NO_SYSROOT: ignoring nonexistent directory "/dev/null"
-// CHECK-ISYSROOT_NO_SYSROOT-NOT: ignoring nonexistent directory "/var/empty/dev/null"
+// CHECK-ISYSROOT_NO_SYSROOT: ignoring nonexistent directory "/var/empty/include"
+// CHECK-ISYSROOT_NO_SYSROOT-NOT: ignoring nonexistent directory "/var/empty/var/empty/include"
 
-// CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL: ignoring nonexistent directory "=/dev/null"
-// CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL-NOT: ignoring nonexistent directory "/dev/null"
+// CHECK-ISYSROOT_SYSROOT_DEV_NULL: ignoring nonexistent directory "/var/empty/var/empty/include"
+// CHECK-ISYSROOT_SYSROOT_DEV_NULL-NOT: ignoring nonexistent directory "/var/empty"
 
-// CHECK-ISYSROOT_SYSROOT_DEV_NULL: ignoring nonexistent directory "/var/empty/dev/null"
-// CHECK-ISYSROOT_SYSROOT_DEV_NULL-NOT: ignoring nonexistent directory "/dev/null"
-
-// CHECK-NO_ISYSROOT_SYSROOT: ignoring nonexistent directory "=/dev/null"
-// CHECK-NO_ISYSROOT_SYSROOT-NOT: ignoring nonexistent directory "/var/empty/dev/null"
+// CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL: ignoring nonexistent directory "=/var/empty/include"
+// CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL-NOT: ignoring nonexistent directory "/var/empty/include"
 
 // CHECK-ISYSROOT_SYSROOT_NULL: ignoring nonexistent directory "/var/empty/null"
 // CHECK-ISYSROOT_SYSROOT_NULL-NOT: ignoring nonexistent directory "=null"