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      1 // Setup:
      2 // RUN: rm -rf %t
      3 // RUN: mkdir -p %t/usr/include
      4 // RUN: echo '// empty' > %t/usr/include/sys_header.h
      5 // RUN: cp %s %t.h
      6 //
      7 // Precompile
      8 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -isysroot %t -x objective-c-header -emit-pch -o %t.pch %t.h
      9 
     10 // Verify successfully
     11 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -isysroot %t -verify-pch %t.pch
     12 
     13 // Incompatible lang options ignored
     14 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -isysroot %t -x objective-c -fno-builtin -verify-pch %t.pch
     15 
     16 // Stale dependency
     17 // RUN: echo ' ' >> %t.h
     18 // RUN: not %clang_cc1 -triple x86_64-apple-darwin10 -isysroot %t -verify-pch %t.pch 2> %t.log.2
     19 // RUN: FileCheck -check-prefix=CHECK-STALE-DEP %s < %t.log.2
     20 // CHECK-STALE-DEP: file '{{.*}}.h' has been modified since the precompiled header '{{.*}}.pch' was built
     21 
     22 // Stale dependency in system header
     23 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -isysroot %t -x objective-c-header -emit-pch -o %t.pch %t.h
     24 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -isysroot %t -verify-pch %t.pch
     25 // RUN: echo ' ' >> %t/usr/include/sys_header.h
     26 // RUN: not %clang_cc1 -triple x86_64-apple-darwin10 -isysroot %t -verify-pch %t.pch 2> %t.log.3
     27 // RUN: FileCheck -check-prefix=CHECK-STALE-SYS-H %s < %t.log.3
     28 // CHECK-STALE-SYS-H: file '{{.*}}sys_header.h' has been modified since the precompiled header '{{.*}}.pch' was built
     29 
     30 #include <sys_header.h>
     31