1 files changed, 15 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-17734.rs b/tests/ui/issues/issue-17734.rs
new file mode 100644
index 000000000..ba8d6c21c
--- /dev/null
+++ b/tests/ui/issues/issue-17734.rs
@@ -0,0 +1,15 @@
+// run-pass
+// Test that generating drop glue for Box<str> doesn't ICE
+
+
+fn f(s: Box<str>) -> Box<str> {
+    s
+}
+
+fn main() {
+    // There is currently no safe way to construct a `Box<str>`, so improvise
+    let box_arr: Box<[u8]> = Box::new(['h' as u8, 'e' as u8, 'l' as u8, 'l' as u8, 'o' as u8]);
+    let box_str: Box<str> = unsafe { std::mem::transmute(box_arr) };
+    assert_eq!(&*box_str, "hello");
+    f(box_str);
+}