From: Zack Weinberg <zack@gcc.gnu.org>
Date: Tue, 6 Apr 1999 21:31:13 +0000 (+0000)
Subject: Regression test for current cpplib bug.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e8f5c18f1a3990928272cc48901a8808735769f1;p=gcc.git

Regression test for current cpplib bug.

Should not fail if you are using cccp.
Expect it to fail if you are using cpplib.

From-SVN: r26224
---

diff --git a/gcc/testsuite/gcc.dg/990407-1.c b/gcc/testsuite/gcc.dg/990407-1.c
new file mode 100644
index 00000000000..96b3f862639
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/990407-1.c
@@ -0,0 +1,18 @@
+/* Regression test for a cpplib macro-expansion bug where
+   `@' becomes `@@' when stringified.  */
+
+/* { dg-do run } */
+
+#include <string.h>
+
+#define STR(x) #x
+
+char *a = STR(@foo), *b = "@foo";
+
+int
+main(void)
+{
+  if (strcmp (a, b))
+    abort ();
+  return 0;
+}