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      1 /*	$NetBSD: d_c99_compound_literal_comma.c,v 1.4 2023/07/07 19:45:22 rillig Exp $	*/
      2 # 3 "d_c99_compound_literal_comma.c"
      3 
      4 /*-
      5  * Ensure that compound literals can be parsed.
      6  *
      7  * C99 6.5.2 "Postfix operators" for the syntax.
      8  * C99 6.5.2.5 "Compound literals" for the semantics.
      9  */
     10 
     11 /* lint1-extra-flags: -X 351 */
     12 
     13 struct point {
     14 	int x;
     15 	int y;
     16 };
     17 
     18 struct point
     19 point_abs(struct point point)
     20 {
     21 	/* No designators, no trailing comma. */
     22 	if (point.x >= 0 && point.y >= 0)
     23 		return (struct point){ point.x, point.y };
     24 
     25 	/* Designators, no trailing comma. */
     26 	if (point.x >= 0)
     27 		return (struct point){ .x = point.x, .y = -point.y };
     28 
     29 	/* No designators, trailing comma. */
     30 	if (point.y >= 0)
     31 		return (struct point){ point.x, point.y, };
     32 
     33 	/* Designators, trailing comma. */
     34 	return (struct point){ .x = point.x, .y = -point.y, };
     35 }
     36