From 27ca2507defe13c5c989a9aa64d138645a7db65e Mon Sep 17 00:00:00 2001
From: mitaa <mitaa.ceb@gmail.com>
Date: Wed, 24 Feb 2016 19:40:16 +0100
Subject: [PATCH] Allow creation of src-links for device files

---
 src/librustdoc/html/render.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index 692d230446cd..267220891b98 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -1489,9 +1489,11 @@ impl<'a> Item<'a> {
                           true, |component| {
                 path.push(component.to_string());
             });
+
             // If the span points into an external macro the
             // source-file will be bogus, i.e `<foo macros>`
-            if Path::new(&self.item.source.filename).is_file() {
+            let filename = &self.item.source.filename;
+            if !(filename.starts_with("<") && filename.ends_with("macros>")) {
                 Some(format!("{root}src/{krate}/{path}.html#{href}",
                              root = self.cx.root_path,
                              krate = self.cx.layout.krate,