From: Richard Henderson <rth@gcc.gnu.org>
Date: Sat, 15 Jun 2002 00:43:20 +0000 (-0700)
Subject: New.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0b0b07504cd9fa9f95bbdb88a2a555960399713c;p=gcc.git

New.

From-SVN: r54630
---

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 00000000000..bcbaed8ae8e
--- /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);
+}