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

     1  foo (a, b)
     2  {
     3    a = b + b;
     4    if (a)
     5      return a;
     6    return b;
     7  }