From a38457a3a8cf233e0cf3b7ec6e3094616a249e53 Mon Sep 17 00:00:00 2001
From: No Author <no-author@gcc.gnu.org>
Date: Thu, 23 May 2002 08:14:35 +0000
Subject: [PATCH] This commit was manufactured by cvs2svn to create branch
 'gcc-3_1-branch'.

From-SVN: r53776
---
 gcc/testsuite/gcc.dg/20020517-1.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/20020517-1.c

diff --git a/gcc/testsuite/gcc.dg/20020517-1.c b/gcc/testsuite/gcc.dg/20020517-1.c
new file mode 100644
index 000000000000..04386d821ec2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20020517-1.c
@@ -0,0 +1,28 @@
+/* This testcase caused ICE in do_SUBST on IA-32, because 0xf6 constant
+   was not sign-extended for QImode.  */
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -mcpu=i686" { target i?86-*-* } } */
+
+#include <limits.h>
+
+void abort (void);
+void exit (int);
+
+void foo (void)
+{
+  int i;
+  char *p;
+
+  p = (char *) &i;
+  *p = -10;
+  if (* (unsigned char *) p != 0x100 - 10)
+    abort ();
+}
+
+int main (void)
+{
+  if (UCHAR_MAX == 255)
+    foo ();
+  exit (0);
+}
-- 
2.47.2