1230557Sjimharris/* $NetBSD: expr.c,v 1.1 2024/06/08 09:09:20 rillig Exp $ */ 2230557Sjimharris# 3 "expr.c" 3230557Sjimharris 4230557Sjimharris/* 5230557Sjimharris * Miscellaneous tests for expressions. 6230557Sjimharris */ 7230557Sjimharris 8230557Sjimharris/* lint1-extra-flags: -X 351 */ 9230557Sjimharris 10230557Sjimharrisstruct bit_fields { 11230557Sjimharris unsigned u32: 32; 12230557Sjimharris}; 13230557Sjimharris 14230557Sjimharrisunsigned long 15230557Sjimharrisexpr_cond_cvt(unsigned long ul) 16230557Sjimharris{ 17230557Sjimharris struct bit_fields bits = { 0 }; 18230557Sjimharris // Combining 'unsigned:32' and 'unsigned long' in the ':' operator 19230557Sjimharris // results in 'unsigned long'. 20230557Sjimharris return bits.u32 < ul ? bits.u32 : ul; 21230557Sjimharris} 22230557Sjimharris 23230557Sjimharris// Before tree.c 1.76 from 2014-04-17, lint crashed with an internal error, 24230557Sjimharris// due to an uninitialized right operand of a tree node. 25230557Sjimharrisvoid 26230557Sjimharriscrash_in_assignment(void) 27230557Sjimharris{ 28230557Sjimharris /* expect+1: warning: 'x' set but not used in function 'crash_in_assignment' [191] */ 29230557Sjimharris double x = 1; 30230557Sjimharris int foo = 0; 31230557Sjimharris if (foo) 32230557Sjimharris x = 1; 33230557Sjimharris} 34230557Sjimharris