26 lines
584 B
C
26 lines
584 B
C
/* PR middle-end/38454 */
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/* { dg-do compile } */
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/* { dg-options "-O2" } */
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typedef __SIZE_TYPE__ size_t;
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extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
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memcpy (void *__restrict dest, const void *__restrict src, size_t len)
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{
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return __builtin___memcpy_chk (dest, /* { dg-warning "writing" } */
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src, len, __builtin_object_size (dest, 0));
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}
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struct S { char buf[10]; } s;
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void
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foo (void)
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{
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char buf[12];
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char *p = buf + 4;
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struct S *q = (struct S *) p;
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memcpy (q, &s, sizeof (s));
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}
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/* { dg-final { scan-assembler "__memcpy_chk" } } */
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