re PR rtl-optimization/44031 (ice in subst_reloads, at reload.c:6327)

	PR rtl-optimization/44031
	* gcc.c-torture/compile/20110131-1.c: New test.

From-SVN: r169433

gcc/testsuite/ChangeLog

+2011-01-31  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR rtl-optimization/44031
+	* gcc.c-torture/compile/20110131-1.c: New test.
+
 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/47042

gcc/testsuite/gcc.c-torture/compile/20110131-1.c

+/* PR rtl-optimization/44031 */
+/* Testcase by John Regehr <regehr@cs.utah.edu> */
+
+typedef unsigned char uint8_t;
+typedef unsigned int uint32_t;
+typedef unsigned long int uint64_t;
+
+static uint32_t
+safe_add_func_uint32_t_u_u (uint32_t ui1, uint32_t ui2)
+{
+  return ui1 + ui2;
+}
+
+static uint64_t
+safe_div_func_uint64_t_u_u (uint64_t ui1, uint32_t ui2)
+{
+  return ui2 ? : (ui1 / ui2);
+}
+
+uint8_t g_55;
+uint8_t *g_73 = &g_55;
+uint8_t **g_332 = &g_73;
+
+int func_38(uint8_t *,int);
+int func_8(int);
+
+int int321 (void)
+{
+  uint8_t l_26[4];
+  uint8_t *l_238 = &l_26[2];
+  uint8_t l_400;
+  l_400 &=
+    func_38 (&l_26[3],
+         safe_add_func_uint32_t_u_u (safe_div_func_uint64_t_u_u
+                     (1, **g_332),
+                     *l_238) >= *l_238 < func_8 (0)), 1;
+  return 0;
+}