view gcc/testsuite/c-c++-common/ubsan/bounds-13.c @ 152:2b5abeee2509

update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* PR sanitizer/71498 */
/* { dg-do run } */
/* { dg-options "-fsanitize=bounds -Wno-array-bounds" } */

struct S { int a[100]; int b, c; } s;

__attribute__((noinline, noclone)) int
foo (int x)
{
  return s.a[x];
}

__attribute__((noinline, noclone)) int
bar (int x)
{
  static int *d = &s.a[99];
  asm volatile ("" : : "r" (&d));
  return s.a[x];
}

int
main ()
{
  volatile int a = 0;
  a += foo (100);
  a += bar (100);
  return 0;
}

/* { dg-output "index 100 out of bounds for type 'int \\\[100\\\]'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*index 100 out of bounds for type 'int \\\[100\\\]'\[^\n\r]*(\n|\r\n|\r)" } */