6 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c5ba7ed06ed..80fb3ccb202 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2004-12-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	* cpp/pragma-once-1.c: New test.
+	* cpp/pragma-once-1b.h: Likewise.
+	* cpp/pragma-once-1c.h: Likewise.
+	* cpp/pragma-once-1d.h: Likewise.
+	* cpp/inc/pragma-once-1a.h: Likewise.
+
 2004-12-15  Bud Davis  <bdavis9659@comcast.net>
             Steven G. Kargle  <kargls@comcast.net>
 
diff --git a/gcc/testsuite/gcc.dg/cpp/inc/pragma-once-1a.h b/gcc/testsuite/gcc.dg/cpp/inc/pragma-once-1a.h
new file mode 100644
index 00000000000..7de64121662
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/inc/pragma-once-1a.h
@@ -0,0 +1,6 @@
+#ifndef _A_H_
+#define _A_H_
+
+#include "../pragma-once-1b.h"
+
+#endif
diff --git a/gcc/testsuite/gcc.dg/cpp/pragma-once-1.c b/gcc/testsuite/gcc.dg/cpp/pragma-once-1.c
new file mode 100644
index 00000000000..23e24b8c3ea
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/pragma-once-1.c
@@ -0,0 +1,8 @@
+/* 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"
diff --git a/gcc/testsuite/gcc.dg/cpp/pragma-once-1b.h b/gcc/testsuite/gcc.dg/cpp/pragma-once-1b.h
new file mode 100644
index 00000000000..9c17db4dd51
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/pragma-once-1b.h
@@ -0,0 +1,8 @@
+#ifndef _B_H_
+#define _B_H_
+
+#pragma once
+
+#include "pragma-once-1c.h"
+
+#endif
diff --git a/gcc/testsuite/gcc.dg/cpp/pragma-once-1c.h b/gcc/testsuite/gcc.dg/cpp/pragma-once-1c.h
new file mode 100644
index 00000000000..cd50024f611
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/pragma-once-1c.h
@@ -0,0 +1,6 @@
+#ifndef _C_H_
+#define _C_H_
+
+#include "pragma-once-1b.h"
+
+#endif
diff --git a/gcc/testsuite/gcc.dg/cpp/pragma-once-1d.h b/gcc/testsuite/gcc.dg/cpp/pragma-once-1d.h
new file mode 100644
index 00000000000..0c5db2dc741
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/pragma-once-1d.h
@@ -0,0 +1,6 @@
+#ifndef _D_H_
+#define _D_H_
+
+#include "pragma-once-1b.h"
+
+#endif