gcc/testsuite/gcc.dg/fold-condneg-2.c

/* { dg-do compile } */
/* { dg-options "-O2 -ftrapv -fdump-tree-optimized" } */

#define INT_MIN  (-__INT_MAX__ - 1)

int test(int x)
{
  return x != INT_MIN ? -x : INT_MIN;
}

/* { dg-final { scan-tree-dump "goto" "optimized" } } */