gcc/testsuite/c-c++-common/ubsan/attrib-1.c

/* PR sanitizer/58411 */
/* { dg-do compile } */
/* { dg-options "-fsanitize=undefined -w" } */

__attribute__((no_sanitize_undefined)) int
f1 (int i)
{
  return 16 << i;
}

int f2 (int i);
int f2 (int i) __attribute__((no_sanitize_undefined));
int f2 (int i) __attribute__((no_sanitize_undefined));
int f2 (int i);

int
f2 (int i)
{
  return 1 / i;
}

void f3 (void);
__typeof (f3) f3  __attribute__((__no_sanitize_undefined__));

void
f3 (void)
{
  __builtin_unreachable ();
}

/* { dg-final { scan-assembler-not "__ubsan_handle_shift_out_of_bounds" } } */
/* { dg-final { scan-assembler-not "__ubsan_handle_divrem_overflow" } } */
/* { dg-final { scan-assembler-not "__ubsan_handle_builtin_unreachable" } } */