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-insert-during-each.rs     | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/test/ui/borrowck/borrowck-insert-during-each.rs

(limited to 'src/test/ui/borrowck/borrowck-insert-during-each.rs')

diff --git a/src/test/ui/borrowck/borrowck-insert-during-each.rs b/src/test/ui/borrowck/borrowck-insert-during-each.rs
new file mode 100644
index 000000000..df967e611
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-insert-during-each.rs
@@ -0,0 +1,26 @@
+use std::collections::HashSet;
+
+struct Foo {
+  n: HashSet<isize>,
+}
+
+impl Foo {
+    pub fn foo<F>(&mut self, mut fun: F) where F: FnMut(&isize) {
+        for f in &self.n {
+            fun(f);
+        }
+    }
+}
+
+fn bar(f: &mut Foo) {
+    f.foo(
+    //~^ ERROR cannot borrow `*f` as mutable
+        |a| { //~ ERROR closure requires unique access to `f`
+            f.n.insert(*a);
+        })
+}
+
+fn main() {
+  let mut f = Foo { n: HashSet::new() };
+  bar(&mut f);
+}
-- 
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