From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../ui/borrowck/borrowck-assign-to-subfield.rs     | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/test/ui/borrowck/borrowck-assign-to-subfield.rs

(limited to 'src/test/ui/borrowck/borrowck-assign-to-subfield.rs')

diff --git a/src/test/ui/borrowck/borrowck-assign-to-subfield.rs b/src/test/ui/borrowck/borrowck-assign-to-subfield.rs
new file mode 100644
index 000000000..050d702b6
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-assign-to-subfield.rs
@@ -0,0 +1,23 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+pub fn main() {
+    struct A {
+        a: isize,
+        w: B,
+    }
+    struct B {
+        a: isize
+    }
+    let mut p = A {
+        a: 1,
+        w: B {a: 1},
+    };
+
+    // even though `x` is not declared as a mutable field,
+    // `p` as a whole is mutable, so it can be modified.
+    p.a = 2;
+
+    // this is true for an interior field too
+    p.w.a = 2;
+}
-- 
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