Added a functioning version of the assoc-oddities-3 test case to

run-pass.  Added run-pass/issue-28777 to demonstrate behavior of
this parsing modification.

Author: aaronkeen

src/test/run-pass/assoc-oddities-3.rs

@@ -0,0 +1,21 @@
+// Copyright 2015 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.
+
+fn that_odd_parse(c: bool, n: usize) -> u32 {
+    let x = 2;
+    let a = [1, 2, 3, 4];
+    let b = [5, 6, 7, 7];
+    x + if c { a } else { b }[n]
+}
+
+fn main() {
+    assert_eq!(4, that_odd_parse(true, 1));
+    assert_eq!(8, that_odd_parse(false, 1));
+}

src/test/run-pass/issue-28777.rs

@@ -0,0 +1,30 @@
+// Copyright 2015 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.
+
+fn main() {
+    let v1 = { 1 + {2} * {3} };
+    let v2 =   1 + {2} * {3}  ;
+
+    assert_eq!(7, v1);
+    assert_eq!(7, v2);
+
+    let v3;
+    v3 = { 1 + {2} * {3} };
+    let v4;
+    v4 = 1 + {2} * {3};
+    assert_eq!(7, v3);
+    assert_eq!(7, v4);
+
+    let v5 = { 1 + {2} * 3 };
+    assert_eq!(7, v5);
+
+    let v9 = { 1 + if 1 > 2 {1} else {2} * {3} };
+    assert_eq!(7, v9);
+}