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msg_222.c revision 1.5 
      1 /*	$NetBSD: msg_222.c,v 1.5 2023/03/28 14:44:35 rillig Exp $	*/
      2 # 3 "msg_222.c"
      3 
      4 // Test for message: conversion of negative constant to unsigned type [222]
      5 
      6 /* lint1-extra-flags: -X 351 */
      7 
      8 /* expect+1: warning: initialization of unsigned with negative constant [221] */
      9 unsigned int global = -1;
     10 
     11 void take_unsigned_int(unsigned int);
     12 
     13 void
     14 function(void)
     15 {
     16 	/* expect+1: warning: initialization of unsigned with negative constant [221] */
     17 	unsigned int local = -1;
     18 
     19 	/* expect+1: warning: conversion of negative constant to unsigned type, arg #1 [296] */
     20 	take_unsigned_int(-1);
     21 
     22 	if (local & -1)
     23 		return;
     24 
     25 	/* expect+1: warning: operator '<' compares 'unsigned int' with 'negative constant' [162] */
     26 	if (local < -1)
     27 		return;
     28 
     29 	local &= -1;
     30 
     31 	/* expect+1: warning: conversion of negative constant to unsigned type [222] */
     32 	local += -1;
     33 }
     34