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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/traits/vtable/vtable-non-object-safe.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/traits/vtable/vtable-non-object-safe.rs')
-rw-r--r--tests/ui/traits/vtable/vtable-non-object-safe.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/traits/vtable/vtable-non-object-safe.rs b/tests/ui/traits/vtable/vtable-non-object-safe.rs
new file mode 100644
index 00000000000..7661bb57461
--- /dev/null
+++ b/tests/ui/traits/vtable/vtable-non-object-safe.rs
@@ -0,0 +1,18 @@
+// build-fail
+#![feature(rustc_attrs)]
+
+// Ensure that non-object-safe methods in Iterator does not generate
+// vtable entries.
+
+#[rustc_dump_vtable]
+trait A: Iterator {}
+//~^ error vtable
+
+impl<T> A for T where T: Iterator {}
+
+fn foo(_a: &mut dyn A<Item=u8>) {
+}
+
+fn main() {
+    foo(&mut vec![0, 1, 2, 3].into_iter());
+}