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111
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1 /* PR middle-end/17112 */
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2 /* { dg-do run } */
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3 /* { dg-require-effective-target int32plus } */
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4 /* { dg-options "-O2" } */
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5
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6 extern void abort(void);
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7
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8 typedef struct {
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9 int int24:24 __attribute__ ((packed));
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10 } myint24;
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11
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12 myint24 x[3] = {
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13 0x123456,
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14 0x789abc,
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15 0xdef012
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16 };
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17
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18 myint24 y[3]; // starts out as zeros
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19
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20 void foo()
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21 {
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22 y[1] = x[1];
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23 }
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24
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25 int main()
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26 {
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27 foo();
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28
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29 if (y[0].int24 != 0 || y[2].int24 != 0)
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30 abort();
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31 return 0;
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32 }
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33
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