1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/compare-2.c b/gcc/testsuite/gcc.c-torture/execute/compare-2.c
new file mode 100644
index 000000000..858df294e
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/compare-2.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 2002 Free Software Foundation.
+
+   Ensure that the composite comparison optimization doesn't misfire
+   and attempt to combine a signed comparison with an unsigned one.
+
+   Written by Roger Sayle, 3rd June 2002.  */
+
+extern void abort (void);
+
+int
+foo (int x, int y)
+{
+  /* If miscompiled the following may become "x == y".  */
+  return (x<=y) && ((unsigned int)x >= (unsigned int)y);
+}
+
+int
+main ()
+{
+  if (! foo (-1,0))
+    abort ();
+  return 0;
+}
+