1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/cast-does-fallback.rs b/src/test/ui/cast-does-fallback.rs
new file mode 100644
index 00000000000..770f7a31c76
--- /dev/null
+++ b/src/test/ui/cast-does-fallback.rs
@@ -0,0 +1,12 @@
+// run-pass
+
+pub fn main() {
+    // Test that these type check correctly.
+    (&42u8 >> 4) as usize;
+    (&42u8 << 4) as usize;
+
+    let cap = 512 * 512;
+    cap as u8;
+    // Assert `cap` did not get inferred to `u8` and overflowed.
+    assert_ne!(cap, 0);
+}