rustdoc: update no_core tests w/ new traits

Some rustdoc tests are `no_core` and need to have `MetaSized` and
`PointeeSized` added to them. One or two tests used extern types and
needed further relaxations to work as before.

Author: davidtwco

tests/rustdoc-json/impls/auto.rs

@@ -1,8 +1,17 @@
 #![feature(no_core, auto_traits, lang_items, arbitrary_self_types)]
+#![feature(const_trait_impl)]
 #![no_core]
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
 #[lang = "sized"]
-trait Sized {}
+#[const_trait]
+pub trait Sized: MetaSized {}
 
 #[lang = "legacy_receiver"]
 pub trait LegacyReceiver {}

tests/rustdoc-json/primitives/primitive_impls.rs

@@ -1,13 +1,22 @@
 #![feature(no_core, lang_items)]
+#![feature(const_trait_impl)]
 #![feature(rustc_attrs)]
 #![feature(rustdoc_internals)]
 #![no_core]
 #![rustc_coherence_is_core]
 
 //@ set impl_i32 = "$.index[*][?(@.docs=='Only core can do this')].id"
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
 #[lang = "sized"]
-trait Sized {}
+#[const_trait]
+pub trait Sized: MetaSized {}
 
 /// Only core can do this
 impl i32 {

tests/rustdoc-ui/custom_code_classes_in_docs-warning3.rs

@@ -3,10 +3,19 @@
 
 #![deny(warnings)]
 #![feature(no_core, lang_items)]
+#![feature(const_trait_impl)]
 #![no_core]
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
 #[lang = "sized"]
-trait Sized {}
+#[const_trait]
+pub trait Sized: MetaSized {}
 
 /// ```{class="}
 /// main;

tests/rustdoc/cfg_doc_reexport.rs

@@ -1,11 +1,20 @@
 #![feature(doc_cfg)]
 #![feature(no_core, lang_items)]
+#![feature(const_trait_impl)]
 
 #![crate_name = "foo"]
 #![no_core]
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
 #[lang = "sized"]
-trait Sized {}
+#[const_trait]
+pub trait Sized: MetaSized {}
 
 //@ has 'foo/index.html'
 //@ has - '//dt/*[@class="stab portability"]' 'foobar'

tests/rustdoc/cross-crate-primitive-doc.rs

@@ -3,10 +3,19 @@
 //@ only-linux
 
 #![feature(no_core, lang_items)]
+#![feature(const_trait_impl)]
 #![no_core]
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
 #[lang = "sized"]
-trait Sized {}
+#[const_trait]
+pub trait Sized: MetaSized {}
 
 extern crate primitive_doc;
 

tests/rustdoc/file-creation-111249.rs

@@ -1,10 +1,22 @@
 // https://github.com/rust-lang/rust/issues/111249
 #![crate_name = "foo"]
 #![feature(no_core)]
+#![feature(const_trait_impl, lang_items)]
 #![no_core]
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
+#[lang = "sized"]
+#[const_trait]
+pub trait Sized: MetaSized {}
+
 //@ files "foo" "['all.html', 'visible', 'index.html', 'sidebar-items.js', 'hidden', \
-//        'struct.Bar.html']"
+//        'struct.Bar.html', 'trait.Sized.html', 'trait.MetaSized.html', 'trait.PointeeSized.html']"
 //@ files "foo/visible" "['trait.Foo.html', 'index.html', 'sidebar-items.js']"
 //@ files "foo/hidden" "['inner']"
 //@ files "foo/hidden/inner" "['trait.Foo.html']"

tests/rustdoc/foreigntype.rs

@@ -10,7 +10,7 @@ impl ExtType {
     pub fn do_something(&self) {}
 }
 
-pub trait Trait {}
+pub trait Trait: std::marker::PointeeSized {}
 
 //@ has foreigntype/trait.Trait.html '//a[@class="foreigntype"]' 'ExtType'
 impl Trait for ExtType {}

tests/rustdoc/intra-doc/auxiliary/my-core.rs

@@ -1,4 +1,5 @@
 #![feature(no_core, lang_items, rustdoc_internals, rustc_attrs)]
+#![feature(const_trait_impl)]
 #![no_core]
 #![rustc_coherence_is_core]
 #![crate_type="rlib"]
@@ -13,8 +14,16 @@ impl char {
     }
 }
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
 #[lang = "sized"]
-pub trait Sized {}
+#[const_trait]
+pub trait Sized: MetaSized {}
 
 #[lang = "clone"]
 pub trait Clone: Sized {}

tests/rustdoc/intra-doc/extern-type.rs

@@ -4,11 +4,11 @@ extern {
     pub type ExternType;
 }
 
-pub trait T {
+pub trait T: std::marker::PointeeSized {
     fn test(&self) {}
 }
 
-pub trait G<N> {
+pub trait G<N>: std::marker::PointeeSized {
     fn g(&self, n: N) {}
 }
 

tests/rustdoc/intra-doc/no-doc-primitive.rs

@@ -2,6 +2,7 @@
 
 #![deny(rustdoc::broken_intra_doc_links)]
 #![feature(no_core, lang_items, rustc_attrs)]
+#![feature(const_trait_impl)]
 #![no_core]
 #![rustc_coherence_is_core]
 #![crate_type = "rlib"]
@@ -10,8 +11,16 @@
 //@ has no_doc_primitive/index.html
 //! A [`char`] and its [`char::len_utf8`].
 
+#[lang = "pointeesized"]
+pub trait PointeeSized {}
+
+#[lang = "metasized"]
+#[const_trait]
+pub trait MetaSized: PointeeSized {}
+
 #[lang = "sized"]
-trait Sized {}
+#[const_trait]
+pub trait Sized: MetaSized {}
 
 impl char {
     pub fn len_utf8(self) -> usize {