USE_VOLATILE 24 maint/gnulib/tests/atomic-int-gnulib.h #define USE_VOLATILE 0 USE_VOLATILE 24 maint/gnulib/tests/atomic-int-isoc.h #define USE_VOLATILE 0 USE_VOLATILE 24 maint/gnulib/tests/atomic-int-posix.h #define USE_VOLATILE 0