Add various test cases (xfailed)

Author: catamorphism

src/test/auxiliary/issue_3136_a.rc

@@ -0,0 +1,3 @@
+#[crate_type = "lib"];
+
+pub mod issue_3136_a;

src/test/auxiliary/issue_3136_a.rs

@@ -0,0 +1,15 @@
+trait x {
+    fn use_x<T>();
+}
+enum y = (); 
+impl y:x { 
+    fn use_x<T>() {
+        struct foo { //~ ERROR quux
+            i: ()
+        }
+        fn new_foo<T>(i: ()) -> foo {
+            foo { i: i }
+        }
+    }   
+}
+

src/test/compile-fail/issue-2074.rs

@@ -0,0 +1,12 @@
+// xfail-test
+fn main() {
+    let one = fn@() -> uint {
+        enum r { a };
+        return a as uint;
+    };
+    let two = fn@() -> uint {
+        enum r { a };
+        return a as uint;
+    };
+    one(); two();
+}

src/test/compile-fail/issue-3214.rs

@@ -0,0 +1,8 @@
+// xfail-test
+fn foo<T>() {
+    struct foo {
+        mut x: T, //~ ERROR quux
+        drop { }
+    }
+}
+fn main() { }

src/test/run-pass/issue-2284.rs

@@ -0,0 +1,11 @@
+// xfail-test
+trait Send {
+    fn f();
+}
+
+fn f<T: Send>(t: T) {
+    t.f();
+}
+
+fn main() {
+}

src/test/run-pass/issue-3447.rs

@@ -0,0 +1,25 @@
+// xfail-test
+struct list<T> {
+    element: &self/T,
+    mut next: Option<@list<T>>
+}
+
+impl<T> list<T>{
+    fn addEnd(&self, element: &self/T) {
+        let newList = list {
+            element: element,
+            next: option::None
+        };
+
+        self.next = Some(@newList);
+    }
+}
+
+fn main() {
+    let s = @"str";
+    let ls: list<@str> = list {
+        element: &s,
+        next: option::None
+    };
+    io::println(*ls.element);
+}

src/test/run-pass/issue-3521.rs

@@ -0,0 +1,10 @@
+// xfail-test
+fn main() {
+    let foo = 100;
+
+    enum Stuff {
+        Bar = foo
+    }
+
+    log(error, Bar);
+}

src/test/run-pass/issue_3136_b.rs

@@ -0,0 +1,6 @@
+// xfail-fast - check-fast doesn't understand aux-build
+// aux-build:issue_3136_a.rc
+
+extern mod issue_3136_a;
+fn main() {}
+