summaryrefslogtreecommitdiffstats
path: root/src/test/ui/nll/maybe-initialized-drop-with-fragment.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/nll/maybe-initialized-drop-with-fragment.rs')
-rw-r--r--src/test/ui/nll/maybe-initialized-drop-with-fragment.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/nll/maybe-initialized-drop-with-fragment.rs b/src/test/ui/nll/maybe-initialized-drop-with-fragment.rs
new file mode 100644
index 000000000..778212918
--- /dev/null
+++ b/src/test/ui/nll/maybe-initialized-drop-with-fragment.rs
@@ -0,0 +1,20 @@
+#![allow(warnings)]
+
+struct Wrap<'p> { p: &'p mut i32 }
+
+impl<'p> Drop for Wrap<'p> {
+ fn drop(&mut self) {
+ *self.p += 1;
+ }
+}
+
+struct Foo<'p> { a: String, b: Wrap<'p> }
+
+fn main() {
+ let mut x = 0;
+ let wrap = Wrap { p: &mut x };
+ let s = String::from("str");
+ let foo = Foo { a: s, b: wrap };
+ std::mem::drop(foo.a);
+ x = 1; //~ ERROR cannot assign to `x` because it is borrowed [E0506]
+}