fail27-frag.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 25 行

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char volatile *
__attribute__((noinline))
foo (unsigned i)
{
  char volatile buffer[10];
  char volatile *k = i ? & buffer[i] : NULL; /* defeat addr-of-local-returned warning */
  return k;
}

int main ()
{
char volatile *f = foo (5);
f[0] = 'b';

return 0;
}
/* { dg-output "mudflap violation 1.*" } */
/* { dg-output "Nearby object.*" } */
/* { dg-output "mudflap object.*buffer.*alloc.*dealloc" } */
/* { dg-do run { xfail *-*-* } } */