From d2d5ebe4dae780bcd2db30b1dcb5f70e5962a56a Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Wed, 8 Nov 2017 08:25:09 +0900
Subject: [PATCH] Add a test for #2126

---
 tests/source/chains.rs | 16 ++++++++++++++++
 tests/target/chains.rs | 22 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/tests/source/chains.rs b/tests/source/chains.rs
index fe5555f79cb..6199eb77edc 100644
--- a/tests/source/chains.rs
+++ b/tests/source/chains.rs
@@ -170,3 +170,19 @@ impl Settings {
         let mut file = File::create(&settings_path).chain_err(|| ErrorKind::WriteError(settings_path.clone()))?;
     }
 }
+
+fn issue2126() {
+    {
+        {
+            {
+                {
+                    {
+                        let x = self.span_from(sub_span.expect("No span found for struct arant variant"));
+                        self.sspanpan_from_span(sub_span.expect("No span found for struct variant"));
+                        let x = self.spanpan_from_span(sub_span.expect("No span found for struct variant"))?;
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/tests/target/chains.rs b/tests/target/chains.rs
index d3868e1acd8..48691b3b6c9 100644
--- a/tests/target/chains.rs
+++ b/tests/target/chains.rs
@@ -193,3 +193,25 @@ impl Settings {
             .chain_err(|| ErrorKind::WriteError(settings_path.clone()))?;
     }
 }
+
+fn issue2126() {
+    {
+        {
+            {
+                {
+                    {
+                        let x = self.span_from(
+                            sub_span.expect("No span found for struct arant variant"),
+                        );
+                        self.sspanpan_from_span(
+                            sub_span.expect("No span found for struct variant"),
+                        );
+                        let x = self.spanpan_from_span(
+                            sub_span.expect("No span found for struct variant"),
+                        )?;
+                    }
+                }
+            }
+        }
+    }
+}