pr58830.c: New testcase.

2013-10-23  Richard Biener  <rguenther@suse.de>

	* gcc.dg/torture/pr58830.c: New testcase.

From-SVN: r203957

gcc/testsuite/ChangeLog

+2013-10-23  Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/torture/pr58830.c: New testcase.
+
 2013-10-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
 
 	Implement C++14 [[deprecated]] modulo [[gnu::deprecated]] bugs.

gcc/testsuite/gcc.dg/torture/pr58830.c

+/* { dg-do run } */
+/* { dg-additional-options "-ftree-pre -ftree-partial-pre" } */
+
+extern void abort (void);
+
+int b, c, d, f, g, h, i, j[6], *l = &b, *m, n, *o, r; 
+char k;
+
+static int
+foo ()
+{
+  char *p = &k;
+
+  for (; d; d++)
+    if (i)
+      h = 0;
+    else
+      h = c || (r = 0);
+
+  for (f = 0; f < 2; f++)
+    {
+      unsigned int q;
+      *l = 0;
+      if (n)
+	*m = g;
+      if (g)
+	o = 0;
+      for (q = -8; q >= 5; q++)
+	(*p)--;
+    }
+
+  return 0;
+}
+
+int
+main ()
+{
+  foo ();
+  if (j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[0]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] ^ (k & 15)] != 0)
+    abort ();
+  return 0;
+}