From: No Author <no-author@gcc.gnu.org>
Date: Sat, 15 Jun 2002 00:43:49 +0000 (+0000)
Subject: This commit was manufactured by cvs2svn to create branch
X-Git-Tag: releases/gcc-3.1.1~152
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=987f89e9e91c3592745d784dcff9de45ab5c20ac;p=thirdparty%2Fgcc.git

This commit was manufactured by cvs2svn to create branch
'gcc-3_1-branch'.

From-SVN: r54631
---

diff --git a/gcc/testsuite/gcc.c-torture/execute/20020614-1.c b/gcc/testsuite/gcc.c-torture/execute/20020614-1.c
new file mode 100644
index 000000000000..bcbaed8ae8e2
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20020614-1.c
@@ -0,0 +1,41 @@
+/* PR c/6677 */
+/* Verify that GCC doesn't perform illegal simplifications
+   when folding constants.  */
+
+#include <limits.h>
+
+extern void abort (void);
+extern void exit (int);
+
+int main (void)
+{
+  int i;
+  signed char j;
+  unsigned char k;
+
+  i = SCHAR_MAX;
+
+  j = ((signed char) (i << 1)) / 2;
+
+  if (j != -1)
+    abort();
+
+  j = ((signed char) (i * 2)) / 2;
+
+  if (j != -1)
+    abort();
+
+  i = UCHAR_MAX;
+
+  k = ((unsigned char) (i << 1)) / 2;
+
+  if (k != UCHAR_MAX/2)
+    abort();
+
+  k = ((unsigned char) (i * 2)) / 2;
+
+  if (k != UCHAR_MAX/2)
+    abort();
+
+  exit(0);
+}