7c94ce7f87
* c-typeck.c (process_init_element): Don't save_expr COMPOUND_LITERAL_EXPR if just its initializer will be used. * gcc.dg/gnu89-init-1.c: Add new tests. From-SVN: r48868
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* Test for GNU extensions to compound literals */
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/* Origin: Jakub Jelinek <jakub@redhat.com> */
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/* { dg-do run } */
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/* { dg-options "-std=gnu89" } */
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extern void abort (void);
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extern void exit (int);
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struct A { int i; int j; int k[4]; };
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struct B { };
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struct C { int i; };
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struct D { int i; struct C j; };
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/* As a GNU extension, we allow initialization of objects with static storage
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duration by compound literals. It is handled as if the object
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was initialized only with the bracket enclosed list if compound literal's
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and object types match. If the object being initialized has array type
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of unknown size, the size is determined by compound literal's initializer
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list, not by size of the compound literal. */
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struct A a = (struct A) { .j = 6, .k[2] = 12 };
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struct B b = (struct B) { };
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int c[] = (int []) { [2] = 6, 7, 8 };
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int d[] = (int [3]) { 1 };
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int e[2] = (int []) { 1, 2 };
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int f[2] = (int [2]) { 1 };
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struct C g[3] = { [2] = (struct C) { 13 }, [1] = (const struct C) { 12 } };
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struct D h = { .j = (struct C) { 15 }, .i = 14 };
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struct D i[2] = { [1].j = (const struct C) { 17 },
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[0] = { 0, (struct C) { 16 } } };
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struct C j[2][3] = { [0 ... 1] = { [0 ... 2] = (struct C) { 26 } } };
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struct C k[3][2] = { [0 ... 2][0 ... 1] = (const struct C) { 27 } };
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int main (void)
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{
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if (a.i || a.j != 6 || a.k[0] || a.k[1] || a.k[2] != 12 || a.k[3])
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abort ();
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if (c[0] || c[1] || c[2] != 6 || c[3] != 7 || c[4] != 8)
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abort ();
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if (sizeof (c) != 5 * sizeof (int))
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abort ();
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if (d[0] != 1 || d[1] || d[2])
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abort ();
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if (sizeof (d) != 3 * sizeof (int))
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abort ();
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if (e[0] != 1 || e[1] != 2)
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abort ();
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if (sizeof (e) != 2 * sizeof (int))
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abort ();
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if (f[0] != 1 || f[1])
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abort ();
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if (sizeof (f) != 2 * sizeof (int))
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abort ();
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if (g[0].i || g[1].i != 12 || g[2].i != 13)
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abort ();
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if (h.i != 14 || h.j.i != 15)
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abort ();
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if (i[0].i || i[0].j.i != 16 || i[1].i || i[1].j.i != 17)
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abort ();
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if (j[0][0].i != 26 || j[0][1].i != 26 || j[0][2].i != 26)
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abort ();
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if (j[1][0].i != 26 || j[1][1].i != 26 || j[1][2].i != 26)
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abort ();
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if (k[0][0].i != 27 || k[0][1].i != 27 || k[1][0].i != 27)
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abort ();
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if (k[1][1].i != 27 || k[2][0].i != 27 || k[2][1].i != 27)
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abort ();
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exit (0);
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}
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