modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr34130.c (about)

     1  extern void abort (void);
     2  int foo (int i)
     3  {
     4    return -2 * __builtin_abs(i - 2);
     5  }
     6  int main()
     7  {
     8    if (foo(1) != -2
     9        || foo(3) != -2)
    10      abort ();
    11    return 0;
    12  }