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111
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1 /* PR tree-optimization/43904. */
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2 /* { dg-do run } */
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3 /* { dg-options "-O1 -foptimize-sibling-calls" } */
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4
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5 typedef __SIZE_TYPE__ size_t;
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6 extern void abort(void);
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7
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8 void *memcpy(void *dest, const void *src, size_t n);
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9
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10 void
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11 buggy_init(void *ptr, size_t size)
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12 {
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13 const char *str = "Hello world!";
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14 memcpy(ptr, &str, size);
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15 }
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16
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17 void
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18 expose_bug(void *ptr, size_t size)
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19 {
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20 const char *str;
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21 memcpy(&str, ptr, size);
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22 if (*str != 'H')
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23 abort ();
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24 }
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25
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26 int
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27 main()
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28 {
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29 const char *ptr;
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30 buggy_init(&ptr, sizeof(ptr));
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31 expose_bug(&ptr, sizeof(ptr));
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32 return 0;
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33 }
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