<style>
  body {
    --v: calc(0% + 1px + 0 * max(0px, 0cqi));
    width: var(--v);
  }
  @property --v {
    syntax: '<length-percentage>';
    inherits: false;
    initial-value: 0;
  }
</style>
<script>
if (window.testRunner)
  testRunner.dumpAsText();
</script>
This test passes it it doesn't crash.
