blob: 677ae91bd0e7f5f04b4ce3c1a93dfcbcee188d44 (
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/* { dg-do compile } */
/* { dg-options "-O2" } */
typedef __SIZE_TYPE__ size_t;
extern void warn_memset_zero_len (void)
__attribute__((__warning__ ("memset used with constant zero length parameter;"
" this could be due to transposed parameters")));
extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
memset (void *dest, int ch, size_t len)
{
if (__builtin_constant_p (len) && len == 0)
{
warn_memset_zero_len (); /* { dg-warning "memset used with constant zero" } */
return dest;
}
return __builtin_memset (dest, ch, len);
}
char buf[10];
int
main (void)
{
memset (buf, sizeof (buf), 0);
return 0;
}
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