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
6unsigned long
7leading_and_trailing_alignof_type(void)
8{
9	return __alignof__(short);
10}
11
12unsigned long
13leading_alignof_type(void)
14{
15	return __alignof(short);
16}
17
18unsigned long
19plain_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
28unsigned long
29leading_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
38unsigned long
39leading_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
47unsigned long
48plain_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