1 /* $NetBSD: expr.c,v 1.1 2024/06/08 09:09:20 rillig Exp $ */
2 # 3 "expr.c"
3
4 /*
5 * Miscellaneous tests for expressions.
6 */
7
8 /* lint1-extra-flags: -X 351 */
9
10 struct bit_fields {
11 unsigned u32: 32;
12 };
13
14 unsigned long
expr_cond_cvt(unsigned long ul)15 expr_cond_cvt(unsigned long ul)
16 {
17 struct bit_fields bits = { 0 };
18 // Combining 'unsigned:32' and 'unsigned long' in the ':' operator
19 // results in 'unsigned long'.
20 return bits.u32 < ul ? bits.u32 : ul;
21 }
22
23 // Before tree.c 1.76 from 2014-04-17, lint crashed with an internal error,
24 // due to an uninitialized right operand of a tree node.
25 void
crash_in_assignment(void)26 crash_in_assignment(void)
27 {
28 /* expect+1: warning: 'x' set but not used in function 'crash_in_assignment' [191] */
29 double x = 1;
30 int foo = 0;
31 if (foo)
32 x = 1;
33 }
34