1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/oom_unwind.rs b/tests/ui/oom_unwind.rs
new file mode 100644
index 00000000000..21a8fb2b22b
--- /dev/null
+++ b/tests/ui/oom_unwind.rs
@@ -0,0 +1,21 @@
+// compile-flags: -Z oom=panic
+// run-pass
+// no-prefer-dynamic
+// needs-unwind
+// only-linux
+
+use std::hint::black_box;
+use std::mem::forget;
+use std::panic::catch_unwind;
+
+fn main() {
+    let panic = catch_unwind(|| {
+        // This is guaranteed to exceed even the size of the address space
+        for _ in 0..16 {
+            // Truncates to a suitable value for both 32-bit and 64-bit targets.
+            let alloc_size = 0x1000_0000_1000_0000u64 as usize;
+            forget(black_box(vec![0u8; alloc_size]));
+        }
+    });
+    assert!(panic.is_err());
+}