1// RUN: %clang_cc1 -emit-pch -o %t %s
2// RUN: %clang_cc1 -include-pch %t -fsyntax-only %s 
3
4#ifndef HEADER
5#define HEADER
6// Header.
7
8#pragma OPENCL EXTENSION cl_khr_fp64 : enable
9
10#else
11// Using the header.
12
13void test(void) {
14  double d;
15}
16
17#endif
18