Index: tests/.expect/attributes.x64.txt
===================================================================
--- tests/.expect/attributes.x64.txt	(revision 77bc259656cfdb32b4198ee5ed2ec89eec5ec78b)
+++ tests/.expect/attributes.x64.txt	(revision 4eb3a7c5d08b7aedeb694f5b4b465e652dd55d5e)
@@ -6,5 +6,5 @@
 
 }
-struct __anonymous0 {
+struct __attribute__ ((unused)) __anonymous0 {
 };
 static inline void _X12_constructorFv_S12__anonymous0_autogen___1(struct __anonymous0 *_X4_dstS12__anonymous0_1);