Index: libcfa/src/containers/stackLockFree.hfa
===================================================================
--- libcfa/src/containers/stackLockFree.hfa	(revision 79aae152d2aebdd70ad7576e14757560c7d66174)
+++ libcfa/src/containers/stackLockFree.hfa	(revision 9019b14e7ef4701e93ecff0e5ae9a8b329aeef20)
@@ -9,6 +9,6 @@
 // Created On       : Wed May 13 20:58:58 2020
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Sat Jun 13 12:24:37 2020
-// Update Count     : 62
+// Last Modified On : Sun Jun 14 13:25:09 2020
+// Update Count     : 64
 // 
 
@@ -20,5 +20,5 @@
 union Link {
 	struct {											// 32/64-bit x 2
-		T * top;										// pointer to stack top
+		T * volatile top;								// pointer to stack top
 		uintptr_t count;								// count each push
 	};
@@ -49,6 +49,5 @@
 
 		T * pop( StackLF(T) & this ) with(this) {
-			Link(T) t @= {};
-			t = stack;									// atomic assignment unnecessary, or use CAA
+			Link(T) t @= stack;							// atomic assignment unnecessary, or use CAA
 			for () {									// busy wait
 			  if ( t.top == 0p ) return 0p;				// empty stack ?