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111
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1 /* PR middle-end/38454 */
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2 /* { dg-do compile } */
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145
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3 /* { dg-options "-O2 -fno-tree-dse" } */
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111
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4
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5 typedef __SIZE_TYPE__ size_t;
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6
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7 extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
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8 memcpy (void *__restrict dest, const void *__restrict src, size_t len)
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9 {
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10 return __builtin___memcpy_chk (dest, /* { dg-warning "writing" } */
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11 src, len, __builtin_object_size (dest, 0));
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12 }
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13
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14 struct S { char buf[10]; } s;
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15
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16 void
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17 foo (void)
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18 {
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19 char buf[12];
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20 char *p = buf + 4;
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21 struct S *q = (struct S *) p;
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22 memcpy (q, &s, sizeof (s));
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23 }
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24
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25 /* { dg-final { scan-assembler "__memcpy_chk" } } */
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