modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/pr37078.c (about)

     1  int foo (int b)
     2  {
     3    if (b == (int)0x80000000)
     4      return __builtin_abs (b);
     5    return 0;
     6  }