Add debug info test for boxes

Author: bleibig

src/test/debug-info/box.rs

@@ -0,0 +1,30 @@
+// Copyright 2013 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.
+
+// compile-flags:-Z extra-debug-info
+// debugger:set print pretty off
+// debugger:break 29
+// debugger:run
+// debugger:print a->boxed
+// check:$1 = 1
+// debugger:print b->boxed
+// check:$2 = {2, 3.5}
+// debugger:print c->boxed
+// check:$3 = 4
+// debugger:print d->boxed
+// check:$4 = false
+
+fn main() {
+    let a = ~1;
+    let b = ~(2, 3.5);
+    let c = @4;
+    let d = @false;
+    let _z = 0;
+}