Index: src/tests/.expect/32/extension.txt
===================================================================
--- src/tests/.expect/32/extension.txt	(revision 9f70ab57e9b76f554f66f776331f1a9a40295901)
+++ src/tests/.expect/32/extension.txt	(revision 186fd864a423a60033d1f353374a4070a3294b18)
@@ -70,5 +70,4 @@
     ((void)((_tmp_cp_ret1=__builtin_memcpy(((void *)___dst__P2uU_1), ((const void *)(&___src__2uU_1)), sizeof(union U ))) , _tmp_cp_ret1));
     ((void)(_tmp_cp_ret1) /* ^?{} */);
-    return ((void)___src__2uU_1);
 }
 static inline void ___destructor__F_P2uU_autogen___1(union U *___dst__P2uU_1){