'gcc-3_4-branch'.
From-SVN: r92197
--- /dev/null
+#ifndef _A_H_
+#define _A_H_
+
+#include "../pragma-once-1b.h"
+
+#endif
--- /dev/null
+/* PR preprocessor/15167 */
+/* Origin: Roland Meub <Roland.Meub@Tenovis.com> */
+
+/* { dg-do compile } */
+/* { dg-options "-I." } */
+
+#include "inc/pragma-once-1a.h"
+#include "pragma-once-1d.h"
--- /dev/null
+#ifndef _B_H_
+#define _B_H_
+
+#pragma once
+
+#include "pragma-once-1c.h"
+
+#endif
--- /dev/null
+#ifndef _C_H_
+#define _C_H_
+
+#include "pragma-once-1b.h"
+
+#endif
--- /dev/null
+#ifndef _D_H_
+#define _D_H_
+
+#include "pragma-once-1b.h"
+
+#endif