1static int foo(int a) 2{ 3 a |=\1; 4 5 return a; 6} 7/* 8 * check-name: bad assignment 9 * 10 * check-error-start 11bad-assignment.c:3:11: error: expression expected before '\' 12bad-assignment.c:3:13: error: Expected ; at end of statement 13bad-assignment.c:3:13: error: got \ 14 * check-error-end 15 */ 16