re PR c++/48569 (internal compiler error: in build_zero_init_1, at cp/init.c:278)

	PR c++/48569
	* typeck2.c (build_functional_cast): Handle VOID_TYPE.

From-SVN: r172680

gcc/cp/ChangeLog

 2011-04-18  Jason Merrill  <jason@redhat.com>
 
+	PR c++/48569
+	* typeck2.c (build_functional_cast): Handle VOID_TYPE.
+
 	PR c++/48537
 	* init.c (build_value_init): Handle UNION_TYPE the same.
 

gcc/cp/typeck2.c

@@ -1566,7 +1566,11 @@ build_functional_cast (tree exp, tree parms, tsubst_flags_t complain)
   if (! MAYBE_CLASS_TYPE_P (type))
     {
       if (parms == NULL_TREE)
-	return build_value_init (type, complain);
+	{
+	  if (VOID_TYPE_P (type))
+	    return void_zero_node;
+	  return build_value_init (type, complain);
+	}
 
       /* This must build a C cast.  */
       parms = build_x_compound_expr_from_list (parms, ELK_FUNC_CAST, complain);

gcc/testsuite/ChangeLog

 2011-04-18  Jason Merrill  <jason@redhat.com>
 
+	* g++.dg/init/void1.C: New.
+
 	* g++.dg/cpp0x/union4.C: New.
 
 2011-04-18  Jakub Jelinek  <jakub@redhat.com>

gcc/testsuite/g++.dg/init/void1.C

+// PR c++/48569
+
+int main()
+{
+  void();
+}