Update tests

Author: zilbuz

src/test/compile-fail/inner-static-type-parameter.rs

@@ -14,7 +14,7 @@ enum Bar<T> { What } //~ ERROR parameter `T` is never used
 
 fn foo<T>() {
     static a: Bar<T> = Bar::What;
-//~^ ERROR can't use type parameters from outer function; try using a local type parameter instead
+//~^ ERROR can't use type parameters from outer function
 }
 
 fn main() {

src/test/compile-fail/issue-3021-c.rs

@@ -11,8 +11,8 @@
 fn siphash<T>() {
 
     trait t {
-        fn g(&self, x: T) -> T;  //~ ERROR can't use type parameters from outer function; try using
-        //~^ ERROR can't use type parameters from outer function; try using
+        fn g(&self, x: T) -> T;  //~ ERROR can't use type parameters from outer function
+        //~^ ERROR can't use type parameters from outer function
     }
 }
 

src/test/compile-fail/issue-3214.rs

@@ -10,7 +10,7 @@
 
 fn foo<T>() {
     struct foo {
-        x: T, //~ ERROR can't use type parameters from outer function;
+        x: T, //~ ERROR can't use type parameters from outer function
     }
 
     impl<T> Drop for foo<T> {

src/test/compile-fail/issue-5997-struct.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 fn f<T>() -> bool {
-    struct S(T); //~ ERROR can't use type parameters from outer function; try using
+    struct S(T); //~ ERROR can't use type parameters from outer function
 
     true
 }

src/test/compile-fail/nested-ty-params.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// error-pattern:can't use type parameters from outer function; try using
+// error-pattern:can't use type parameters from outer function
 fn hd<U>(v: Vec<U> ) -> U {
     fn hd1(w: [U]) -> U { return w[0]; }
 

src/test/compile-fail/type-arg-out-of-scope.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// error-pattern:can't use type parameters from outer function; try using
+// error-pattern:can't use type parameters from outer function
 fn foo<T>(x: T) {
     fn bar(f: Box<FnMut(T) -> T>) { }
 }

src/test/ui/error-codes/E0401.rs

@@ -8,11 +8,33 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+trait Baz<T> {}
+
 fn foo<T>(x: T) {
-    fn bar(y: T) { //~ ERROR E0401
+    fn bar<U, V: Baz<U>, W: Fn()>(y: T) { //~ ERROR E0401
+    }
+    fn baz<U,
+           V: Baz<U>,
+           W: Fn()>
+           (y: T) { //~ ERROR E0401
     }
     bar(x);
 }
 
+
+struct A<T> {
+    inner: T,
+}
+
+impl<T> Iterator for A<T> {
+    type Item = u8;
+    fn next(&mut self) -> Option<u8> {
+        fn helper(sel: &Self) -> u8 { //~ ERROR E0401
+            unimplemented!();
+        }
+        Some(helper(self))
+    }
+}
+
 fn main() {
 }

src/test/ui/error-codes/E0401.stderr

@@ -1,9 +1,35 @@
-error[E0401]: can't use type parameters from outer function; try using a local type parameter instead
-  --> $DIR/E0401.rs:12:15
+error[E0401]: can't use type parameters from outer function
+  --> $DIR/E0401.rs:14:38
    |
-LL |     fn bar(y: T) { //~ ERROR E0401
-   |               ^ use of type variable from outer function
+LL | fn foo<T>(x: T) {
+   |        - type variable from outer function
+LL |     fn bar<U, V: Baz<U>, W: Fn()>(y: T) { //~ ERROR E0401
+   |        --------------------------    ^ use of type variable from outer function
+   |        |
+   |        help: try using a local type parameter instead: `bar<U, V: Baz<U>, W: Fn(), T>`
 
-error: aborting due to previous error
+error[E0401]: can't use type parameters from outer function
+  --> $DIR/E0401.rs:19:16
+   |
+LL | fn foo<T>(x: T) {
+   |        - type variable from outer function
+...
+LL |            (y: T) { //~ ERROR E0401
+   |                ^ use of type variable from outer function
+   |
+   = help: try using a local type parameter instead
+
+error[E0401]: can't use type parameters from outer function
+  --> $DIR/E0401.rs:32:25
+   |
+LL | impl<T> Iterator for A<T> {
+   | ---- `Self` type implicitely declared here, on the `impl`
+...
+LL |         fn helper(sel: &Self) -> u8 { //~ ERROR E0401
+   |            ------       ^^^^ use of type variable from outer function
+   |            |
+   |            help: try using a local type parameter instead: `helper<Self>`
+
+error: aborting due to 3 previous errors
 
 If you want more information on this error, try using "rustc --explain E0401"