Updating kind rules to make sure we don't sneakily send ports.

Author: eholk

src/rustc/middle/ty.rs

@@ -1608,7 +1608,7 @@ fn type_kind(cx: ctxt, ty: t) -> kind {
       }
       ty_res(did, inner, tps) {
         let inner = subst(cx, tps, inner);
-        (kind_const() & type_kind(cx, inner)) | kind_send_only()
+        (kind_const() | kind_send_only()) & type_kind(cx, inner)
       }
       ty_param(_, did) {
         param_bounds_to_kind(cx.ty_param_bounds.get(did.node))

src/test/compile-fail/no-send-res-ports.rs

@@ -0,0 +1,11 @@
+fn main() {
+    resource foo(_x: comm::port<()>) {}
+
+    let x = ~mut some(foo(comm::port()));
+
+    task::spawn {|move x| //! ERROR not a sendable value
+        let mut y = none;
+        *x <-> y;
+        log(error, y);
+    }
+}