Add E0612

src/test/compile-fail/E0612.rs

@@ -0,0 +1,16 @@
+// Copyright 2017 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 Foo(u32);
+
+fn main() {
+   let y = Foo(0);
+   y.1; //~ ERROR E0612
+}

src/test/compile-fail/struct-field-privacy.rs

@@ -42,7 +42,7 @@ fn test(a: A, b: inner::A, c: inner::B, d: xc::A, e: xc::B, z: inner::Z) {
     e.b; //~ ERROR: field `b` of struct `xc::B` is private
 
     z.0;
-    z.1; //~ ERROR: field `1` of struct `inner::Z` is private
+    z.1; //~ ERROR: field `1` of tuple-struct `inner::Z` is private
 }
 
 fn main() {}

src/test/ui/macros/macro-backtrace-invalid-internals.stderr

@@ -16,7 +16,7 @@ error[E0610]: `{integer}` is a primitive type and therefore doesn't have fields
 51 |     fake_field_stmt!();
    |     ------------------- in this macro invocation
 
-error: attempted tuple index `0` on type `{integer}`, but the type was not a tuple or tuple struct
+error[E0613]: attempted tuple index `0` on type `{integer}`, but the type was not a tuple or tuple struct
   --> $DIR/macro-backtrace-invalid-internals.rs:27:11
    |
 27 |           (1).0
@@ -43,7 +43,7 @@ error[E0610]: `{integer}` is a primitive type and therefore doesn't have fields
 55 |     let _ = fake_field_expr!();
    |             ------------------ in this macro invocation
 
-error: attempted tuple index `0` on type `{integer}`, but the type was not a tuple or tuple struct
+error[E0613]: attempted tuple index `0` on type `{integer}`, but the type was not a tuple or tuple struct
   --> $DIR/macro-backtrace-invalid-internals.rs:45:11
    |
 45 |           (1).0