[parse-a-sizes-attribute-width-1000px.html]
  expected:
    if (os == "linux") and not fission and not debug: [OK, CRASH]
    if (os == "mac") and debug: [OK, CRASH]
  [<img srcset="/images/green-1x1.png?e38 50w, /images/green-16x16.png?e38 51w" sizes="(min-width:calc(0)) 1px"> ref sizes="1px" (width:1000px)]
    expected: FAIL