rustc: Strip struct fields and enum variants

Closes #11085

src/test/run-pass/issue-11085.rs

@@ -0,0 +1,55 @@
+// Copyright 2012-2013 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.
+
+// compile-flags: --cfg foo
+// xfail-fast
+
+#[feature(struct_variant)];
+
+struct Foo {
+    #[cfg(fail)]
+    bar: baz,
+    foo: int,
+}
+
+struct Foo2 {
+    #[cfg(foo)]
+    foo: int,
+}
+
+enum Bar1 {
+    Bar1_1,
+    #[cfg(fail)]
+    Bar1_2(NotAType),
+}
+
+enum Bar2 {
+    #[cfg(fail)]
+    Bar2_1(NotAType),
+}
+
+enum Bar3 {
+    Bar3_1 {
+        #[cfg(fail)]
+        foo: int,
+        bar: int,
+    }
+}
+
+fn main() {
+    let _f = Foo { foo: 3 };
+    let _f = Foo2 { foo: 3 };
+
+    match Bar1_1 {
+        Bar1_1 => {}
+    }
+
+    let _f = Bar3_1 { bar: 3 };
+}