Add URL to test cases

tests/rustdoc/blanket-impl-29503.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/29503
 #![crate_name="issue_29503"]
 
 use std::fmt;

tests/rustdoc/const-rendering-macros-33302.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/33302
 #![crate_name="issue_33302"]
 
 // Ensure constant and array length values are not taken from source

tests/rustdoc/disambiguate-anchors-32890.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/32890
 #![crate_name="issue_32890"]
 
 // @has issue_32890/struct.Foo.html

tests/rustdoc/disambiguate-anchors-header-29449.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/29449
 #![crate_name="issue_29449"]
 
 // @has issue_29449/struct.Foo.html

tests/rustdoc/doc-hidden-trait-implementors-33069.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/33069
 #![crate_name="issue_33069"]
 
 pub trait Bar {}

tests/rustdoc/doctest-cfg-feature-30252.rs

@@ -1,5 +1,6 @@
 // compile-flags:--test --cfg feature="bar"
 
+// https://github.com/rust-lang/rust/issues/30252
 #![crate_name="issue_30252"]
 
 /// ```rust

tests/rustdoc/doctest-ignore-32556.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/32556
 #![crate_name="issue_32556"]
 
 /// Blah blah blah

tests/rustdoc/hidden-extern-34025.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/34025
 #![crate_name = "foo"]
 
 // @!has 'foo/sys/index.html'

tests/rustdoc/ice-assoc-const-for-primitive-31808.rs

@@ -1,5 +1,6 @@
 // Test that associated item impls on primitive types don't crash rustdoc
 
+// https://github.com/rust-lang/rust/issues/31808
 #![crate_name="issue_31808"]
 
 pub trait Foo {

tests/rustdoc/impl-type-parameter-33592.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/33592
 #![crate_name = "foo"]
 
 pub trait Foo<T> {}

tests/rustdoc/inline_cross/doc-hidden-extern-trait-impl-29584.rs

@@ -1,6 +1,7 @@
 // aux-build:issue-29584.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/29584
 #![crate_name="issue_29584"]
 
 extern crate issue_29584;

tests/rustdoc/link-extern-crate-33178.rs

@@ -3,6 +3,7 @@
 // build-aux-docs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/33178
 #![crate_name="issue_33178"]
 
 // @has issue_33178/index.html

tests/rustdoc/link-extern-crate-item-30109.rs

@@ -2,6 +2,7 @@
 // aux-build:issue-30109-1.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/30109
 #![crate_name="issue_30109"]
 
 pub mod quux {

tests/rustdoc/link-extern-crate-title-33178.rs

@@ -2,6 +2,7 @@
 // aux-build:variant-struct.rs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/33178
 #![crate_name="issue_33178_1"]
 
 // @has issue_33178_1/index.html

tests/rustdoc/render-enum-variant-structlike-32395.rs

@@ -2,6 +2,7 @@
 // build-aux-docs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/32395
 #![crate_name="issue_32395"]
 
 // @has variant_struct/enum.Foo.html

tests/rustdoc/src-links-inlined-34274.rs

@@ -2,6 +2,7 @@
 // build-aux-docs
 // ignore-cross-compile
 
+// https://github.com/rust-lang/rust/issues/34274
 #![crate_name = "foo"]
 
 extern crate issue_34274;

tests/rustdoc/staged-api-deprecated-unstable-32374.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/32374
 #![feature(staged_api)]
 #![doc(issue_tracker_base_url = "https://issue_url/")]
 #![unstable(feature = "test", issue = "32374")]

tests/rustdoc/summary-codeblock-31899.rs

@@ -1,3 +1,4 @@
+// https://github.com/rust-lang/rust/issues/31899
 #![crate_name="issue_31899"]
 
 // @has issue_31899/index.html

tests/rustdoc/summary-reference-link-30366.rs

@@ -1,5 +1,6 @@
 // @has issue_30366/index.html '//a/@href' 'http://www.rust-lang.org/'
 
+// https://github.com/rust-lang/rust/issues/30366
 #![crate_name="issue_30366"]
 
 /// Describe it. [Link somewhere][1].

tests/rustdoc/type-alias-impls-32077.rs

@@ -1,5 +1,6 @@
 // Regression test for <https://github.com/rust-lang/rust/issues/32077>.
 
+// https://github.com/rust-lang/rust/issues/32077
 #![crate_name = "foo"]
 
 pub struct GenericStruct<T>(T);