Index: tests/.expect/extension.x86.txt
===================================================================
--- tests/.expect/extension.x86.txt	(revision 17fa94fc6137fe38192c7283b80f37fec136dd24)
+++ tests/.expect/extension.x86.txt	(revision 3e5fea2e8e80a245642d87ae8b4d88b702fb3e57)
@@ -120,5 +120,5 @@
 static inline void _X12_constructorFv_U1UU1U_autogen___1(__attribute__ ((unused)) union U *_X4_dstU1U_1, __attribute__ ((unused)) union U _X4_srcU1U_1){
     {
-        ((void)__builtin_memcpy(((void *)_X4_dstU1U_1), ((const void *)(&_X4_srcU1U_1)), ((unsigned long int )sizeof(union U ))));
+        ((void)__builtin_memcpy(((void *)_X4_dstU1U_1), ((const void *)(&_X4_srcU1U_1)), sizeof(union U )));
     }
 
@@ -129,5 +129,5 @@
     __attribute__ ((unused)) union U _X4_retU1U_1;
     {
-        ((void)__builtin_memcpy(((void *)_X4_dstU1U_1), ((const void *)(&_X4_srcU1U_1)), ((unsigned long int )sizeof(union U ))));
+        ((void)__builtin_memcpy(((void *)_X4_dstU1U_1), ((const void *)(&_X4_srcU1U_1)), sizeof(union U )));
     }
 
@@ -140,5 +140,5 @@
 static inline void _X12_constructorFv_U1Ui_autogen___1(__attribute__ ((unused)) union U *_X4_dstU1U_1, signed int _X1ai_1){
     {
-        ((void)__builtin_memcpy(((void *)_X4_dstU1U_1), ((const void *)(&_X1ai_1)), ((unsigned long int )sizeof(signed int ))));
+        ((void)__builtin_memcpy(((void *)_X4_dstU1U_1), ((const void *)(&_X1ai_1)), sizeof(signed int )));
     }