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      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
     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
     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