message: fix build break (fp constants from alive tool)
diff: @@ -75,7 +75,7 @@ static Value& get_constant(string_view name, Type &type) {
  }
  static Value& get_fp_constant(string_view n, Type &t) {
  - auto c = make_unique<FloatConst>(t, string(n));
  + auto c = make_unique<FloatConst>(t, strtod(n));
  auto ret = c.get();
  fn->addConstant(move(c));
  return *ret;
  