1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/rust/compile/issue-3969.rs b/gcc/testsuite/rust/compile/issue-3969.rs
new file mode 100644
index 0000000..9608589
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-3969.rs
@@ -0,0 +1,30 @@
+#[lang = "sized"]
+pub trait Sized {
+    // Empty.
+}
+
+#[lang = "fn_once"]
+pub trait FnOnce<Args> {
+    #[lang = "fn_once_output"]
+    type Output;
+
+    extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
+}
+
+fn main() {
+    [(); {
+        while true {
+            // { dg-error ".constexpr. loop iteration count exceeds limit" "" { target *-*-* } .-1 }
+            break 9;
+            // { dg-error "can only .break. with a value inside a .loop. block .E0571." "" { target *-*-* } .-1 }
+        }
+        51
+    }];
+
+    while true {
+        break (|| {
+            // { dg-error "can only .break. with a value inside a .loop. block .E0571." "" { target *-*-* } .-1 }
+            let while_true = 9;
+        });
+    }
+}