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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/nll/maybe-initialized-drop-with-uninitialized-fragments.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/nll/maybe-initialized-drop-with-uninitialized-fragments.rs')
-rw-r--r--tests/ui/nll/maybe-initialized-drop-with-uninitialized-fragments.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/nll/maybe-initialized-drop-with-uninitialized-fragments.rs b/tests/ui/nll/maybe-initialized-drop-with-uninitialized-fragments.rs
new file mode 100644
index 000000000..b0d6e27a3
--- /dev/null
+++ b/tests/ui/nll/maybe-initialized-drop-with-uninitialized-fragments.rs
@@ -0,0 +1,22 @@
+#![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);
+ std::mem::drop(foo.b);
+ x = 1; //~ ERROR cannot assign to `x` because it is borrowed [E0506]
+ // FIXME ^ This currently errors and it should not.
+}