diff --git a/test/cases/returning_undefined_sentinel_terminated_const_u8_slice.zig b/test/cases/returning_undefined_sentinel_terminated_const_u8_slice.zig
new file mode 100644
index 0000000000..2bf585c5bd
--- /dev/null
+++ b/test/cases/returning_undefined_sentinel_terminated_const_u8_slice.zig
@@ -0,0 +1,11 @@
+fn foo() [:0]const u8 {
+    return undefined;
+}
+pub fn main() void {
+    var guid: [*:0]const u8 = undefined;
+    guid = foo();
+}
+
+// run
+// backend=llvm
+// target=native