destructors: nothing moves out of a value with a drop: pop on an array with a drop, or on an array field of a value with a drop, is error: a: can't move out of a value with drop (fields were already borrowed projections); spec 6.15.5, four conformance programs

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/conformance/6-ownership/drop_no_move_out_pop.zc b/tests/conformance/6-ownership/drop_no_move_out_pop.zc
new file mode 100644
index 0000000..3ee248f
--- /dev/null
+++ b/tests/conformance/6-ownership/drop_no_move_out_pop.zc
@@ -0,0 +1,11 @@
+// expect error: a: can't move out of a value with drop
+// destructors 6.15.5: pop moves an element out, so it is refused on an array with a drop, whose drop may need the element
+include rt;
+fn main() {
+	int*[?] a = drop(rt.new(int*[?]), fn() { rt.put_s("arr drop\n"); });
+	int* x = rt.new(int); *x = 5; a.push(x);
+	int* y = a.pop();
+	rt.put_n(*y);
+	return 0;
+}
+// zc0: skip