re PR middle-end/48493 (ice in expand_expr_addr_expr_1 with complex types and mem_ref)

2012-05-31  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48493
	* gcc.dg/torture/pr48493.c: New testcase.

From-SVN: r188058

gcc/testsuite/ChangeLog

+2012-05-31  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/48493
+	* gcc.dg/torture/pr48493.c: New testcase.
+
 2012-05-31  Greta Yorsh  <Greta.Yorsh@arm.com>
 
 	* lib/target-supports.exp (check_effective_target_vect_char_mult): Add

gcc/testsuite/gcc.dg/torture/pr48493.c

+/* { dg-do compile } */
+
+typedef long long T __attribute__((may_alias, aligned (1)));
+
+struct S
+{
+  _Complex float d __attribute__((aligned (8)));
+};
+
+void bar (struct S);
+
+void
+f1 (T x)
+{
+  struct S s;
+  *(T *) ((char *) &s.d + 1) = x;
+  bar (s);
+}