rustdoc: add URLs for test issues

tests/rustdoc/anchor-id-trait-method-15169.rs

@@ -1,5 +1,6 @@
 // @has issue_15169/struct.Foo.html '//*[@id="method.eq"]' 'fn eq'
 
+// https://github.com/rust-lang/rust/issues/15169
 #![crate_name="issue_15169"]
 
 #[derive(PartialEq)]

tests/rustdoc/assoc-type-bindings-20646.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-20646.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/20646
 #![crate_name="issue_20646"]
 #![feature(associated_types)]
 

tests/rustdoc/deref-methods-19190-foreign-type.rs

@@ -1,3 +1,5 @@
+// https://github.com/rust-lang/rust/issues/19190
+
 #![crate_name="issue_19190_2"]
 
 use std::ops::Deref;

tests/rustdoc/deref-methods-19190-inline.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-19190-3.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/19190
 #![crate_name="issue_19190_3"]
 
 extern crate issue_19190_3;

tests/rustdoc/deref-methods-19190.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/19190
 #![crate_name="issue_19190"]
 
 use std::ops::Deref;

tests/rustdoc/doc-hidden-method-13698.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-13698.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/13698
 #![crate_name="issue_13698"]
 
 extern crate issue_13698;

tests/rustdoc/doc-test-attr-18199.rs

@@ -1,4 +1,5 @@
 // compile-flags:--test
+// https://github.com/rust-lang/rust/issues/18199
 
 #![doc(test(attr(feature(staged_api))))]
 

tests/rustdoc/document-hidden-items-15347.rs

@@ -1,4 +1,5 @@
 // compile-flags: -Z unstable-options --document-hidden-items
+// https://github.com/rust-lang/rust/issues/15347
 
 #![crate_name="issue_15347"]
 

tests/rustdoc/highlight-invalid-rust-12834.rs

@@ -1,5 +1,6 @@
 // Tests that failing to syntax highlight a rust code-block doesn't cause
 // rustdoc to fail, while still rendering the code-block (without highlighting).
+// https://github.com/rust-lang/rust/issues/12834
 
 #![crate_name="issue_12834"]
 #![allow(rustdoc::invalid_rust_codeblocks)]

tests/rustdoc/ice-type-error-19181.rs

@@ -1,4 +1,5 @@
 // compile-flags:--test
+// https://github.com/rust-lang/rust/issues/19181
 
 // rustdoc should not panic when target crate has compilation errors
 

tests/rustdoc/impl-ref-20175.rs

@@ -1,3 +1,5 @@
+// https://github.com/rust-lang/rust/issues/20175
+
 #![crate_name="issue_20175"]
 
 pub trait Foo {

tests/rustdoc/infinite-redirection-16265-1.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/16265
 #![crate_name="issue_16265_1"]
 
 pub struct Foo;

tests/rustdoc/infinite-redirection-16265-2.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/16265
 #![crate_name="issue_16265_2"]
 
 // @hasraw issue_16265_2/index.html 'source'

tests/rustdoc/inline-assoc-type-20727-bindings.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-20727.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/20727
 #![crate_name="issue_20727_2"]
 
 extern crate issue_20727;

tests/rustdoc/inline-assoc-type-20727-bounds-deref.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-20727.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/20727
 #![crate_name="issue_20727_3"]
 
 extern crate issue_20727;

tests/rustdoc/inline-assoc-type-20727-bounds-index.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-20727.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/20727
 #![crate_name="issue_20727_4"]
 
 extern crate issue_20727;

tests/rustdoc/inline-assoc-type-20727-bounds.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-20727.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/20727
 #![crate_name="issue_20727"]
 
 extern crate issue_20727;

tests/rustdoc/macro-ice-16019.rs

@@ -1,3 +1,5 @@
+// https://github.com/rust-lang/rust/issues/16019
+
 macro_rules! define_struct {
     ($rounds:expr) => (
         struct Struct {

tests/rustdoc/method-link-foreign-trait-impl-17476.rs

@@ -1,5 +1,6 @@
 // aux-build:issue-17476.rs
 // ignore-cross-compile
+// https://github.com/rust-lang/rust/issues/17476
 
 #![crate_name="issue_17476"]
 

tests/rustdoc/primitive-raw-pointer-dox-15318-3.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/15318
 #![crate_name="issue_15318_3"]
 #![feature(rustc_attrs)]
 

tests/rustdoc/primitive-raw-pointer-link-15318.rs

@@ -1,5 +1,6 @@
 // aux-build:issue-15318.rs
 // ignore-cross-compile
+// https://github.com/rust-lang/rust/issues/15318
 
 #![crate_name="issue_15318"]
 #![no_std]

tests/rustdoc/primitive-raw-pointer-link-no-inlined-15318-2.rs

@@ -1,5 +1,6 @@
 // aux-build:issue-15318.rs
 // ignore-cross-compile
+// https://github.com/rust-lang/rust/issues/15318
 
 #![crate_name="issue_15318_2"]
 #![no_std]