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d_alignof.c revision 1.4 
      1 /*	$NetBSD: d_alignof.c,v 1.4 2022/05/12 00:18:35 rillig Exp $	*/
      2 # 3 "d_alignof.c"
      3 
      4 /* https://gcc.gnu.org/onlinedocs/gcc/Alignment.html */
      5 
      6 unsigned long
      7 leading_and_trailing_alignof_type(void)
      8 {
      9 	return __alignof__(short);
     10 }
     11 
     12 unsigned long
     13 leading_alignof_type(void)
     14 {
     15 	return __alignof(short);
     16 }
     17 
     18 unsigned long
     19 plain_alignof_type(void)
     20 {
     21 	/* The plain word 'alignof' is not recognized by GCC. */
     22 	/* expect+2: error: function 'alignof' implicitly declared to return int [215] */
     23 	/* expect+1: error: syntax error 'short' [249] */
     24 	return alignof(short);
     25 }
     26 /* expect-1: warning: function plain_alignof_type falls off bottom without returning value [217] */
     27 
     28 unsigned long
     29 leading_and_trailing_alignof_expr(void)
     30 {
     31 	/* FIXME: '__alignof__' must be recognized. */
     32 	/* FIXME: '__alignof__ expr' must be recognized. */
     33 	/* expect+1: error: syntax error '3' [249] */
     34 	return __alignof__ 3;
     35 }
     36 /* expect-1: warning: function leading_and_trailing_alignof_expr falls off bottom without returning value [217] */
     37 
     38 unsigned long
     39 leading_alignof_expr(void)
     40 {
     41 	/* FIXME: '__alignof expr' must be recognized. */
     42 	/* expect+1: error: syntax error '3' [249] */
     43 	return __alignof 3;
     44 }
     45 /* expect-1: warning: function leading_alignof_expr falls off bottom without returning value [217] */
     46 
     47 unsigned long
     48 plain_alignof_expr(void)
     49 {
     50 	/* The plain word 'alignof' is not recognized by GCC. */
     51 	/* expect+2: error: 'alignof' undefined [99] */
     52 	/* expect+1: error: syntax error '3' [249] */
     53 	return alignof 3;
     54 }
     55 /* expect-1: warning: function plain_alignof_expr falls off bottom without returning value [217] */
     56