Rollup merge of #52835 - GuillaumeGomez:ice-rustdoc-links, r=eddyb

Fix Alias intra doc ICE

Fixes #52611.

cc @QuietMisdreavus

r? @varkor

src/test/rustdoc-ui/intra-doc-alias-ice.rs

@@ -0,0 +1,16 @@
+// Copyright 2018 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.
+
+#![deny(intra_doc_link_resolution_failure)]
+
+pub type TypeAlias = usize;
+
+/// [broken cross-reference](TypeAlias::hoge) //~ ERROR
+pub fn some_public_item() {}

src/test/rustdoc-ui/intra-doc-alias-ice.stderr

@@ -0,0 +1,13 @@
+error: `[TypeAlias::hoge]` cannot be resolved, ignoring it...
+  --> $DIR/intra-doc-alias-ice.rs:15:30
+   |
+15 | /// [broken cross-reference](TypeAlias::hoge) //~ ERROR
+   |                              ^^^^^^^^^^^^^^^ cannot be resolved, ignoring
+   |
+note: lint level defined here
+  --> $DIR/intra-doc-alias-ice.rs:11:9
+   |
+11 | #![deny(intra_doc_link_resolution_failure)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: to escape `[` and `]` characters, just add '/' before them like `/[` or `/]`
+