1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/diagnostics/borrowck/borrowck-closures-mut-and-imm.rs b/tests/ui/closures/2229_closure_analysis/diagnostics/borrowck/borrowck-closures-mut-and-imm.rs
new file mode 100644
index 000000000..5ff7b1242
--- /dev/null
+++ b/tests/ui/closures/2229_closure_analysis/diagnostics/borrowck/borrowck-closures-mut-and-imm.rs
@@ -0,0 +1,26 @@
+// edition:2021
+
+
+
+// Tests that two closures cannot simultaneously have mutable
+// and immutable access to the variable. Issue #6801.
+
+#[derive(Debug)]
+struct Point {
+    x: i32,
+    y: i32,
+}
+
+fn a() {
+    let mut p = Point {x: 3, y:4};
+    let c2 = || p.y * 5;
+    let c1 = || {
+    //~^ ERROR cannot borrow `p` as mutable because it is also borrowed as immutable
+        dbg!(&p);
+        p.x = 4;
+    };
+    drop(c2);
+}
+
+fn main() {
+}