1 // RUN: mkdir -p %t.dir
2 // RUN: echo '#include "header2.h"' > %t.dir/header1.h
3 // RUN: echo > %t.dir/header2.h
4 // RUN: cp %s %t.dir/t.c
5 // RUN: %clang_cc1 -x c-header %t.dir/header1.h -emit-pch -o %t.pch
6 // RUN: echo >> %t.dir/header2.h
7 // RUN: not %clang_cc1 %t.dir/t.c -include-pch %t.pch -fsyntax-only 2>&1 | FileCheck %s
8 
9 #include "header2.h"
10 
11 // CHECK: fatal error: file {{.*}} has been modified since the precompiled header {{.*}} was built
12 // REQUIRES: shell
13