1 /* $NetBSD: msg_244.c,v 1.4 2023/07/07 19:45:22 rillig Exp $ */ 2 # 3 "msg_244.c" 3 4 // Test for message: illegal structure pointer combination [244] 5 6 /* lint1-extra-flags: -X 351 */ 7 8 struct a { 9 int member; 10 }; 11 12 struct b { 13 int member; 14 }; 15 16 int 17 diff(struct a *a, struct b *b) 18 { 19 /* expect+1: error: illegal pointer subtraction [116] */ 20 return a - b; 21 } 22 23 _Bool 24 lt(struct a *a, struct b *b) 25 { 26 /* expect+1: warning: incompatible structure pointers: 'pointer to struct a' '<' 'pointer to struct b' [245] */ 27 return a < b; 28 } 29 30 struct a * 31 ret(struct b *b) 32 { 33 /* expect+1: warning: illegal structure pointer combination [244] */ 34 return b; 35 } 36