debuginfo: Added test case for function arguments.

src/test/debug-info/function-arguments.rs

@@ -0,0 +1,51 @@
+// 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.
+
+// xfail-test
+
+// GDB doesn't know about UTF-32 character encoding and will print a rust char as only its numerical
+// value.
+
+// compile-flags:-Z extra-debug-info
+// debugger:break zzz
+// debugger:run
+// debugger:finish
+
+// debugger:print x
+// check:$1 = 111102
+// debugger:print y
+// check:$2 = true
+
+// debugger:continue
+// debugger:finish
+
+// debugger:print a
+// check:$3 = 2000
+// debugger:print b
+// check:$4 = 3000
+
+fn main() {
+
+    fun(111102, true);
+    nested(2000, 3000);
+
+    fn nested(a: i32, b: i64) -> (i32, i64) {
+        zzz()
+        (a, b)
+    }
+}
+
+fn fun(x: int, y: bool) -> (int, bool) {
+    zzz();
+
+    (x, y)
+}
+
+fn zzz() {()}