re PR rtl-optimization/68249 (wrong code at -O2 and -O3 on x86_64-linux-gnu)

	PR rtl-optimization/68249
	PR rtl-optimization/68321
	* gcc.c-torture/execute/pr68249.c: New test.
	* gcc.c-torture/execute/pr68321.c: New test.

From-SVN: r230939

gcc/testsuite/ChangeLog

+2015-11-26  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/68249
+	PR rtl-optimization/68321
+	* gcc.c-torture/execute/pr68249.c: New test.
+	* gcc.c-torture/execute/pr68321.c: New test.
+
 2015-11-26  Ilya Enkovich  <enkovich.gnu@gmail.com>
 
 	PR target/68416

gcc/testsuite/gcc.c-torture/execute/pr68249.c

+/* PR rtl-optimization/68249 */
+
+int a, b, c, g, k, l, m, n;
+char h;
+
+void
+fn1 ()
+{
+  for (; k; k++)
+    {
+      m = b || c < 0 || c > 1 ? : c;
+      g = l = n || m < 0 || (m > 1) > 1 >> m ? : 1 << m;
+    }
+  l = b + 1;
+  for (; b < 1; b++)
+    h = a + 1;
+}
+
+int
+main ()
+{
+  char j; 
+  for (; a < 1; a++)
+    {
+      fn1 ();
+      if (h)
+	j = h;
+      if (j > c)
+	g = 0;
+    }
+
+  if (h != 1) 
+    __builtin_abort (); 
+
+  return 0;
+}

gcc/testsuite/gcc.c-torture/execute/pr68321.c

+/* PR rtl-optimization/68321 */
+
+int e = 1, u = 5, t2, t5, i, k;
+int a[1], b, m;
+char n, t;
+
+int
+fn1 (int p1)
+{
+  int g[1];
+  for (;;)
+    {
+      if (p1 / 3)
+	for (; t5;)
+	  u || n;
+      t2 = p1 & 4;
+      if (b + 1)
+	return 0;
+      u = g[0];
+    }
+}
+
+int
+main ()
+{
+  for (; e >= 0; e--)
+    {
+      char c;
+      if (!m)
+	c = t;
+      fn1 (c);
+    }
+  
+  if (a[t2] != 0) 
+    __builtin_abort (); 
+
+  return 0;
+}