Rollup merge of rust-lang#24987 - bombless:large-array, r=pnkfelix

Closes rust-lang#15919

Author: Manishearth

src/test/compile-fail/issue-15919.rs

@@ -0,0 +1,14 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    let x = [0usize; 9223372036854775808]; // We don't officially support 128-bit architecture
+//~^ error: the type `[usize; 9223372036854775808]` is too big for the current architecture
+}