1 files changed, 16 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-82833-slice-miscompile.rs b/tests/ui/issues/issue-82833-slice-miscompile.rs
new file mode 100644
index 000000000..8cf6a3137
--- /dev/null
+++ b/tests/ui/issues/issue-82833-slice-miscompile.rs
@@ -0,0 +1,16 @@
+// run-pass
+// compile-flags: -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Copt-level=0 -Cdebuginfo=2
+
+// Make sure LLVM does not miscompile this.
+
+fn make_string(ch: char) -> String {
+    let mut bytes = [0u8; 4];
+    ch.encode_utf8(&mut bytes).into()
+}
+
+fn main() {
+    let ch = '😃';
+    dbg!(ch);
+    let string = make_string(ch);
+    dbg!(string);
+}