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111
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1 /* { dg-do run } */
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2 /* { dg-options "-fstrict-volatile-bitfields" } */
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3
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4 extern void abort (void);
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5
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6 struct test0
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7 {
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8 unsigned char b1[2];
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9 } __attribute__((packed, aligned(2)));
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10
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11 struct test1
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12 {
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13 volatile unsigned long a1;
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14 unsigned char b1[4];
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15 } __attribute__((packed, aligned(2)));
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16
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17 struct test2
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18 {
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19 struct test0 t0;
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20 struct test1 t1;
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21 struct test0 t2;
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22 } __attribute__((packed, aligned(2)));
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23
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24 struct test2 xx;
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25 struct test2 *x1 = &xx;
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26
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27 #define MAGIC 0x12345678
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28
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29 void test0 (struct test2* x1)
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30 {
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31 x1->t1.a1 = MAGIC;
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32 }
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33
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34 int main()
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35 {
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36 test0 (x1);
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37 if (xx.t1.a1 != MAGIC)
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38 abort ();
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39 return 0;
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40 }
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