Index: tests/concurrency/lockfree_stack.cfa
===================================================================
--- tests/concurrency/lockfree_stack.cfa	(revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9)
+++ tests/concurrency/lockfree_stack.cfa	(revision 53f6a113b8a29ac72cbbcad9e42a8591630f3d95)
@@ -10,6 +10,6 @@
 // Created On       : Thu May 25 15:36:50 2023
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu May 25 16:20:23 2023
-// Update Count     : 2
+// Last Modified On : Fri May 26 08:08:47 2023
+// Update Count     : 4
 // 
 
@@ -24,5 +24,9 @@
 		uintptr_t count;								// count each push
 	};
+	#if defined( __SIZEOF_INT128__ )
 	__int128 atom;										// gcc, 128-bit integer
+	#else
+	int64_t atom;
+	#endif // __SIZEOF_INT128__
 } __attribute__(( aligned( 16 ) ));