Add a test for assignment of bare functions

Issue #1022

Author: brson

src/test/run-pass/fn-bare-anon-2.rs

@@ -0,0 +1,7 @@
+fn main() {
+    let f: fn#() = fn# () {
+        log "This is a bare function"
+    };
+    let g;
+    g = f;
+}