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      1 /*	$NetBSD: msg_163.c,v 1.5 2023/07/07 19:45:22 rillig Exp $	*/
      2 # 3 "msg_163.c"
      3 
      4 // Test for message: a cast does not yield an lvalue [163]
      5 
      6 /* lint1-extra-flags: -X 351 */
      7 
      8 void
      9 example(char *p, int i)
     10 {
     11 	p++;
     12 
     13 	/*
     14 	 * Using a cast as an lvalue had been a GCC extension until 3.4.
     15 	 * It was removed in GCC 4.0.
     16 	 *
     17 	 * https://gcc.gnu.org/onlinedocs/gcc-3.4.6/gcc/Lvalues.html#Lvalues
     18 	 * https://gcc.gnu.org/onlinedocs/gcc-4.0.4/gcc/index.html#toc_C-Extensions
     19 	 */
     20 	/* expect+2: error: a cast does not yield an lvalue [163] */
     21 	/* expect+1: error: operand of 'x++' must be lvalue [114] */
     22 	((char *)p)++;
     23 
     24 	i++;
     25 
     26 	/* expect+2: error: a cast does not yield an lvalue [163] */
     27 	/* expect+1: error: operand of 'x++' must be lvalue [114] */
     28 	((int)i)++;
     29 }
     30