pure2-bugfix-for-assign-expression-list.cpp2

main: () = {
  vec: type == std::vector<int>;
  v: vec              = (0);
  v                   = ();
  [[assert: v == :vec = ()]]
  v                   = (1);
  [[assert: v == :vec = (1)]]
  v                   = (2, 3);
  [[assert: v == :vec = (2, 3)]]
}