Invalid output when semicolon is omitted in the last attribute

[tiago]

test.scss:

body {
    font-weight: bold; // test
    font-size: 10px // test
}

---

Ruby Sass (3.4.18):

body {
  font-weight: bold;
  font-size: 10px; }

SassC (3.3.0-beta1) with LibSass (3.3.0-beta2-2-g997c):

body {
  font-weight: bold;
  font-size: 10px // test; }