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comparison gcc/testsuite/gcc.dg/gnu89-init-1.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* Test for GNU extensions to compound literals */
2 /* Origin: Jakub Jelinek <jakub@redhat.com> */
3 /* { dg-do run } */
4 /* { dg-options "-std=gnu89" } */
5
6 extern void abort (void);
7 extern void exit (int);
8
9 struct A { int i; int j; int k[4]; };
10 struct B { };
11 struct C { int i; };
12 struct D { int i; struct C j; };
13
14 /* As a GNU extension, we allow initialization of objects with static storage
15 duration by compound literals. It is handled as if the object
16 was initialized only with the bracket enclosed list if compound literal's
17 and object types match. If the object being initialized has array type
18 of unknown size, the size is determined by compound literal's initializer
19 list, not by size of the compound literal. */
20
21 struct A a = (struct A) { .j = 6, .k[2] = 12 };
22 struct B b = (struct B) { };
23 int c[] = (int []) { [2] = 6, 7, 8 };
24 int d[] = (int [3]) { 1 };
25 int e[2] = (int []) { 1, 2 };
26 int f[2] = (int [2]) { 1 };
27 struct C g[3] = { [2] = (struct C) { 13 }, [1] = (const struct C) { 12 } };
28 struct D h = { .j = (struct C) { 15 }, .i = 14 };
29 struct D i[2] = { [1].j = (const struct C) { 17 },
30 [0] = { 0, (struct C) { 16 } } };
31 struct C j[2][3] = { [0 ... 1] = { [0 ... 2] = (struct C) { 26 } } };
32 struct C k[3][2] = { [0 ... 2][0 ... 1] = (const struct C) { 27 } };
33
34 int main (void)
35 {
36 if (a.i || a.j != 6 || a.k[0] || a.k[1] || a.k[2] != 12 || a.k[3])
37 abort ();
38 if (c[0] || c[1] || c[2] != 6 || c[3] != 7 || c[4] != 8)
39 abort ();
40 if (sizeof (c) != 5 * sizeof (int))
41 abort ();
42 if (d[0] != 1 || d[1] || d[2])
43 abort ();
44 if (sizeof (d) != 3 * sizeof (int))
45 abort ();
46 if (e[0] != 1 || e[1] != 2)
47 abort ();
48 if (sizeof (e) != 2 * sizeof (int))
49 abort ();
50 if (f[0] != 1 || f[1])
51 abort ();
52 if (sizeof (f) != 2 * sizeof (int))
53 abort ();
54 if (g[0].i || g[1].i != 12 || g[2].i != 13)
55 abort ();
56 if (h.i != 14 || h.j.i != 15)
57 abort ();
58 if (i[0].i || i[0].j.i != 16 || i[1].i || i[1].j.i != 17)
59 abort ();
60 if (j[0][0].i != 26 || j[0][1].i != 26 || j[0][2].i != 26)
61 abort ();
62 if (j[1][0].i != 26 || j[1][1].i != 26 || j[1][2].i != 26)
63 abort ();
64 if (k[0][0].i != 27 || k[0][1].i != 27 || k[1][0].i != 27)
65 abort ();
66 if (k[1][1].i != 27 || k[2][0].i != 27 || k[2][1].i != 27)
67 abort ();
68 exit (0);
69 }