test/switch-fallthrough-must-not-be-last-stmt-of-last-clause.fail.wgsl

# v-switch05: line 9: a fallthrough statement must not appear as the last statement in last clause
# of a switch

entry_point vertex = main;
fn main() -> void {
  var a: i32 = -2;
  switch (a) {
    default: {
      fallthrough;
    }
  }
  return;
}