1 // RUN: %clang -x c-header %s -Weverything -o %t.h.pch
2 // RUN: %clang -x c %s -w -include %t.h -fsyntax-only -Xclang -verify
3 
4 #ifndef HEADER
5 #define HEADER
6 
7 extern int foo;
8 
9 #else
10 
f()11 void f() {
12   int a = foo;
13   // Make sure we parsed this by getting an error.
14   int b = bar; // expected-error {{undeclared}}
15 }
16 
17 #endif
18