debuginfo: Added test cases for methods on structs, enums, traits, and tuple-structs.

Also new test cases for tuple structs and by-value parameter passing.

src/test/debug-info/tuple-struct.rs

@@ -0,0 +1,60 @@
+// 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-win32 Broken because of LLVM bug: http://llvm.org/bugs/show_bug.cgi?id=16249
+
+// compile-flags:-Z extra-debug-info
+// debugger:set print pretty off
+// debugger:break zzz
+// debugger:run
+// debugger:finish
+
+// debugger:print no_padding16
+// check:$1 = {10000, -10001}
+
+// debugger:print no_padding32
+// check:$2 = {-10002, -10003.5, 10004}
+
+// debugger:print no_padding64
+// check:$3 = {-10005.5, 10006, 10007}
+
+// debugger:print no_padding163264
+// check:$4 = {-10008, 10009, 10010, 10011}
+
+// debugger:print internal_padding
+// check:$5 = {10012, -10013}
+
+// debugger:print padding_at_end
+// check:$6 = {-10014, 10015}
+
+
+// This test case mainly makes sure that no field names are generated for tuple structs (as opposed
+// to all fields having the name "__field__"). Otherwise they are handled the same a normal structs.
+
+struct NoPadding16(u16, i16);
+struct NoPadding32(i32, f32, u32);
+struct NoPadding64(f64, i64, u64);
+struct NoPadding163264(i16, u16, i32, u64);
+struct InternalPadding(u16, i64);
+struct PaddingAtEnd(i64, u16);
+
+fn main() {
+    let no_padding16 = NoPadding16(10000, -10001);
+    let no_padding32 = NoPadding32(-10002, -10003.5, 10004);
+    let no_padding64 = NoPadding64(-10005.5, 10006, 10007);
+    let no_padding163264 = NoPadding163264(-10008, 10009, 10010, 10011);
+
+    let internal_padding = InternalPadding(10012, -10013);
+    let padding_at_end = PaddingAtEnd(-10014, 10015);
+
+    zzz();
+}
+
+fn zzz() {()}