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      1 // 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
      2 // 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
      3 // 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
      4 // RUN: %clang_cc1 -v -isysroot /var/empty -I =null -E %s -o /dev/null 2>&1 | FileCheck -check-prefix CHECK-ISYSROOT_SYSROOT_NULL %s
      5 // 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
      6 // 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
      7 
      8 // CHECK-ISYSROOT_NO_SYSROOT: ignoring nonexistent directory "/var/empty/include"
      9 // CHECK-ISYSROOT_NO_SYSROOT-NOT: ignoring nonexistent directory "/var/empty/var/empty/include"
     10 
     11 // CHECK-ISYSROOT_SYSROOT_DEV_NULL: ignoring nonexistent directory "/var/empty/var/empty/include"
     12 // CHECK-ISYSROOT_SYSROOT_DEV_NULL-NOT: ignoring nonexistent directory "/var/empty"
     13 
     14 // CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL: ignoring nonexistent directory "=/var/empty/include"
     15 // CHECK-NO_ISYSROOT_SYSROOT_DEV_NULL-NOT: ignoring nonexistent directory "/var/empty/include"
     16 
     17 // CHECK-ISYSROOT_SYSROOT_NULL: ignoring nonexistent directory "/var/empty{{.}}null"
     18 // CHECK-ISYSROOT_SYSROOT_NULL-NOT: ignoring nonexistent directory "=null"
     19 
     20 // CHECK-ISYSROOT_ISYSROOT_SYSROOT_NULL: ignoring nonexistent directory "/var/empty/root{{.}}null"
     21 // CHECK-ISYSROOT_ISYSROOT_SYSROOT_NULL-NOT: ignoring nonexistent directory "=null"
     22 
     23 // CHECK-ISYSROOT_ISYSROOT_SWAPPED_SYSROOT_NULL: ignoring nonexistent directory "/var/empty{{.}}null"
     24 // CHECK-ISYSROOT_ISYSROOT_SWAPPED_SYSROOT_NULL-NOT: ignoring nonexistent directory "=null"
     25 
     26