Tests for fixed issues.

Closes rust-lang#2074.
Closes rust-lang#5008.
Closes rust-lang#7519.
Closes rust-lang#7673.
Closes rust-lang#7770.
Closes rust-lang#8171.

src/test/run-pass/issue-5008-borrowed-traitobject-method-call.rs

@@ -0,0 +1,43 @@
+// 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.
+
+/*
+
+#5008 cast to &Trait causes code to segfault on method call
+
+It fixes itself if the &Trait is changed to @Trait.
+*/
+
+trait Debuggable {
+    fn debug_name(&self) -> ~str;
+}
+
+#[deriving(Clone)]
+struct Thing {
+name: ~str,
+}
+
+impl Thing {
+    fn new() -> Thing { Thing { name: ~"dummy" } }
+}
+
+impl Debuggable for Thing {
+    fn debug_name(&self) -> ~str { self.name.clone() }
+}
+
+fn print_name(x: &Debuggable)
+{
+    println(fmt!("debug_name = %s", x.debug_name()));
+}
+
+fn main() {
+    let thing = Thing::new();
+    print_name(&thing as &Debuggable);
+}

src/test/run-pass/issue-7519-match-unit-in-arg.rs

@@ -0,0 +1,19 @@
+// 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.
+
+/*
+#7519 ICE pattern matching unit in function argument
+*/
+
+fn foo(():()) { }
+
+fn main() {
+    foo(());
+}

src/test/run-pass/issue-7673-cast-generically-implemented-trait.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.
+
+// xfail-pretty #9253 pretty printer doesn't preserve the bounds on trait objects
+
+/*
+
+#7673 Polymorphically creating traits barely works
+
+*/
+
+fn main() {}
+
+trait A {}
+impl<T: 'static> A for T {}
+
+fn owned1<T: 'static>(a: T) { ~a as ~A:; } /* note `:` */
+fn owned2<T: 'static>(a: ~T) { a as ~A:; }
+fn owned3<T: 'static>(a: ~T) { ~a as ~A:; }
+
+fn managed1<T: 'static>(a: T) { @a as @A; }
+fn managed2<T: 'static>(a: @T) { a as @A; }
+fn managed3<T: 'static>(a: @T) { @a as @A; }

src/test/run-pass/issue-8171-default-method-self-inherit-builtin-trait.rs

@@ -0,0 +1,25 @@
+// 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.
+
+/*
+
+#8171 Self is not recognised as implementing kinds in default method implementations
+
+*/
+
+fn require_send<T: Send>(_: T){}
+
+trait TragicallySelfIsNotSend: Send {
+    fn x(self) {
+        require_send(self);
+    }
+}
+
+fn main(){}

src/test/run-pass/nested-enum-same-names.rs

@@ -0,0 +1,49 @@
+// 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.
+
+/*
+
+#7770 ICE with sibling methods containing same-name-enum containing
+ same-name-member
+
+If you have two methods in an impl block, each containing an enum
+(with the same name), each containing at least one value with the same
+name, rustc gives the same LLVM symbol for the two of them and fails,
+as it does not include the method name in the symbol name.
+
+*/
+
+pub struct Foo;
+impl Foo {
+    pub fn foo() {
+        enum Panic { Common };
+    }
+    pub fn bar() {
+        enum Panic { Common };
+    }
+}
+
+/*
+#2074 duplicate symbols with enum in boxed closure
+*/
+
+fn foo() {
+    let one: @fn() -> uint = || {
+        enum r { a }
+        a as uint
+    };
+    let two: @fn() -> uint = || {
+        enum r { a }
+        a as uint
+    };
+    one(); two();
+}
+
+fn main() {}