Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/test/ui/consts/qualif_overwrite_2.rs b/src/test/ui/consts/qualif_overwrite_2.rs
new file mode 100644
index 000000000..1819d9a6d
--- /dev/null
+++ b/src/test/ui/consts/qualif_overwrite_2.rs
@@ -0,0 +1,11 @@
+use std::cell::Cell;
+
+// const qualification is not smart enough to know about fields and always assumes that there might
+// be other fields that caused the qualification
+const FOO: &Option<Cell<usize>> = {
+    let mut a = (Some(Cell::new(0)),);
+    a.0 = None; // sets `qualif(a)` to `qualif(a) | qualif(None)`
+    &{a.0} //~ ERROR cannot refer to interior mutable
+};
+
+fn main() {}