assert that in and out entities of memperms have the same size, we produce...

assert that in and out entities of memperms have the same size, we produce such buggy situations at the moment

[r13431]

ir/be/ia32/bearch_ia32.c

@@ -1183,6 +1183,7 @@ static void transform_MemPerm(ia32_code_gen_t *cg, ir_node *node) {
 		ir_node *mem = get_irn_n(node, i + 1);
 		ir_node *push;
 
+		assert(get_entity_type(be_get_MemPerm_out_entity(node, i)) == enttype);
 		assert( (entbits == 32 || entbits == 64) && "spillslot on x86 should be 32 or 64 bit");
 
 		push = create_push(cg, node, node, sp, mem, ent);
@@ -1202,7 +1203,6 @@ static void transform_MemPerm(ia32_code_gen_t *cg, ir_node *node) {
 		ir_entity *ent = be_get_MemPerm_out_entity(node, i);
 		ir_type *enttype = get_entity_type(ent);
 		int entbits = get_type_size_bits(enttype);
-
 		ir_node *pop;
 
 		assert( (entbits == 32 || entbits == 64) && "spillslot on x86 should be 32 or 64 bit");