about summary refs log tree commit diff
path: root/tests/ui/binding/func-arg-incomplete-pattern.rs
diff options
context:
space:
mode:
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/binding/func-arg-incomplete-pattern.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/binding/func-arg-incomplete-pattern.rs')
-rw-r--r--tests/ui/binding/func-arg-incomplete-pattern.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/binding/func-arg-incomplete-pattern.rs b/tests/ui/binding/func-arg-incomplete-pattern.rs
new file mode 100644
index 00000000000..eb94ee48f92
--- /dev/null
+++ b/tests/ui/binding/func-arg-incomplete-pattern.rs
@@ -0,0 +1,22 @@
+// run-pass
+#![allow(dead_code)]
+// Test that we do not leak when the arg pattern must drop part of the
+// argument (in this case, the `y` field).
+
+struct Foo {
+    x: Box<usize>,
+    y: Box<usize>,
+}
+
+fn foo(Foo {x, ..}: Foo) -> *const usize {
+    let addr: *const usize = &*x;
+    addr
+}
+
+pub fn main() {
+    let obj: Box<_> = Box::new(1);
+    let objptr: *const usize = &*obj;
+    let f = Foo { x: obj, y: Box::new(2) };
+    let xptr = foo(f);
+    assert_eq!(objptr, xptr);
+}