1 static int foo(void) __attribute__((unknown_attribute)); 2 3 /* 4 * check-name: warn-unknown-attribute-yes 5 * check-command: sparse -Wunknown-attribute $file 6 * 7 * check-error-start 8 Wunknown-attribute-yes.c:1:37: warning: unknown attribute 'unknown_attribute' 9 * check-error-end 10 */ 11