view gcc/testsuite/c-c++-common/ubsan/pr82072-2.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/82072 */
/* { dg-do run } */
/* { dg-options "-fsanitize=signed-integer-overflow" } */

int
main ()
{
  long long int l = -__LONG_LONG_MAX__ - 1;
  unsigned int u;
  u = -l;
  asm volatile ("" : "+r" (u));
  return 0;
}

/* { dg-output "negation of -9223372036854775808 cannot be represented in type 'long long int'\[^\n\r]*; cast to an unsigned type to negate this value to itself" } */