Suppress unused type parameter error when type has error field

src/test/compile-fail/issue-35075.rs

@@ -0,0 +1,19 @@
+// Copyright 2016 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.
+
+struct Bar<T> {
+    inner: Foo<T> //~ ERROR type name `Foo` is undefined or not in scope
+}
+
+enum Baz<T> {
+    Foo(Foo<T>) //~ ERROR type name `Foo` is undefined or not in scope
+}
+
+fn main() {}

src/test/compile-fail/resolve-type-param-in-item-in-trait.rs

@@ -13,9 +13,8 @@
 // scope (in this case, the enum).
 
 trait TraitA<A> {
-    fn outer(self) {
+    fn outer(&self) {
         enum Foo<B> {
-            //~^ ERROR parameter `B` is never used
             Variance(A)
                 //~^ ERROR can't use type parameters from outer function
         }
@@ -23,23 +22,21 @@ trait TraitA<A> {
 }
 
 trait TraitB<A> {
-    fn outer(self) {
+    fn outer(&self) {
         struct Foo<B>(A);
                 //~^ ERROR can't use type parameters from outer function
-                //~^^ ERROR parameter `B` is never used
     }
 }
 
 trait TraitC<A> {
-    fn outer(self) {
+    fn outer(&self) {
         struct Foo<B> { a: A }
                 //~^ ERROR can't use type parameters from outer function
-                //~^^ ERROR parameter `B` is never used
     }
 }
 
 trait TraitD<A> {
-    fn outer(self) {
+    fn outer(&self) {
         fn foo<B>(a: A) { }
                 //~^ ERROR can't use type parameters from outer function
     }