41 lines
600 B
C
41 lines
600 B
C
/* { dg-do run } */
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/* { dg-options "-fstrict-volatile-bitfields" } */
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extern void abort (void);
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struct test0
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{
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unsigned char b1[2];
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} __attribute__((packed, aligned(2)));
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struct test1
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{
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volatile unsigned long a1;
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unsigned char b1[4];
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} __attribute__((packed, aligned(2)));
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struct test2
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{
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struct test0 t0;
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struct test1 t1;
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struct test0 t2;
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} __attribute__((packed, aligned(2)));
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struct test2 xx;
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struct test2 *x1 = &xx;
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#define MAGIC 0x12345678
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void test0 (struct test2* x1)
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{
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x1->t1.a1 = MAGIC;
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}
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int main()
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{
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test0 (x1);
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if (xx.t1.a1 != MAGIC)
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abort ();
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return 0;
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}
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