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

     1  foo (a, b, p)
     2       int *p;
     3  {
     4    p[0] = 1230 - a;
     5    p[1] = 1230 - b;
     6  }