From 4720462e6761306a72de1f62523d72698d4e77c9 Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Wed, 29 Nov 2017 12:34:09 +0900
Subject: [PATCH] Add a test for #2200

---
 tests/source/chains.rs | 21 +++++++++++++++++++++
 tests/target/chains.rs | 22 ++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/tests/source/chains.rs b/tests/source/chains.rs
index f14a0293123..0141326269b 100644
--- a/tests/source/chains.rs
+++ b/tests/source/chains.rs
@@ -185,3 +185,24 @@ fn issue2126() {
         }
     }
 }
+
+// #2200
+impl Foo {
+    pub fn from_ast(diagnostic: &::errors::Handler,
+                    attrs: &[ast::Attribute]) -> Attributes {
+        let other_attrs = attrs.iter().filter_map(|attr| {
+            attr.with_desugared_doc(|attr| {
+                if attr.check_name("doc") {
+                    if let Some(mi) = attr.meta() {
+                        if let Some(value) = mi.value_str() {
+                            doc_strings.push(DocFragment::Include(line,
+                                                                  attr.span,
+                                                                  filename,
+                                                                  contents));
+                        }
+                    }
+                }
+            })
+        }).collect();
+    }
+}
diff --git a/tests/target/chains.rs b/tests/target/chains.rs
index 00855de4f98..a88440a9d78 100644
--- a/tests/target/chains.rs
+++ b/tests/target/chains.rs
@@ -213,3 +213,25 @@ fn issue2126() {
         }
     }
 }
+
+// #2200
+impl Foo {
+    pub fn from_ast(diagnostic: &::errors::Handler, attrs: &[ast::Attribute]) -> Attributes {
+        let other_attrs = attrs
+            .iter()
+            .filter_map(|attr| {
+                attr.with_desugared_doc(|attr| {
+                    if attr.check_name("doc") {
+                        if let Some(mi) = attr.meta() {
+                            if let Some(value) = mi.value_str() {
+                                doc_strings.push(
+                                    DocFragment::Include(line, attr.span, filename, contents),
+                                );
+                            }
+                        }
+                    }
+                })
+            })
+            .collect();
+    }
+}