1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/array-slice-vec/vec-macro-no-std.rs b/src/test/ui/array-slice-vec/vec-macro-no-std.rs
new file mode 100644
index 000000000..443895f7c
--- /dev/null
+++ b/src/test/ui/array-slice-vec/vec-macro-no-std.rs
@@ -0,0 +1,27 @@
+// run-pass
+
+// ignore-emscripten no no_std executables
+
+#![feature(lang_items, start, rustc_private)]
+#![no_std]
+
+extern crate std as other;
+
+extern crate libc;
+
+#[macro_use]
+extern crate alloc;
+
+use alloc::vec::Vec;
+
+// Issue #16806
+
+#[start]
+fn start(_argc: isize, _argv: *const *const u8) -> isize {
+    let x: Vec<u8> = vec![0, 1, 2];
+    match x.last() {
+        Some(&2) => (),
+        _ => panic!(),
+    }
+    0
+}