From e9edf69f9423655f5131e9dc72b08ce3234be353 Mon Sep 17 00:00:00 2001
From: Zack Weinberg <zack@gcc.gnu.org>
Date: Sun, 4 Jul 1999 16:28:56 +0000
Subject: [PATCH] New test; for odd case of token pasting

From-SVN: r27937
---
 gcc/testsuite/gcc.dg/990703-1.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/990703-1.c

diff --git a/gcc/testsuite/gcc.dg/990703-1.c b/gcc/testsuite/gcc.dg/990703-1.c
new file mode 100644
index 00000000000..b953a5b6fd8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/990703-1.c
@@ -0,0 +1,24 @@
+/* { dg-do run } */
+
+/* Test of obscure case in token pasting in the preprocessor.
+   I can't think of any way to make this problem provoke a syntax error.
+   Based on a bug report by Manfred Hollstein.  */
+
+#include <string.h>
+
+#define SP1(x, y) SP2(x, y)
+#define SP2(x, y) SP3(x##y)
+#define SP3(x) #x
+#define MZ -0
+
+int
+main(void)
+{
+    char *x = SP1(0,MZ);
+    char *y = "0-0"  /* should be the expansion of SP1(0,MZ) */
+
+    if(strcmp(x, y))
+	return 1;
+    else
+	return 0;
+}
-- 
2.30.2