From cf10bcfe4861ce01fe932300fa64dbb4484f3ef7 Mon Sep 17 00:00:00 2001
From: Josh Leeb-du Toit <josh.leebdutoit@gmail.com>
Date: Mon, 30 Oct 2017 09:58:45 +1100
Subject: [PATCH] Move issue-42106 test from compile-fail to ui

---
 src/test/{compile-fail => ui}/issue-42106.rs |  2 +-
 src/test/ui/issue-42106.stderr               | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 rename src/test/{compile-fail => ui}/issue-42106.rs (92%)
 create mode 100644 src/test/ui/issue-42106.stderr

diff --git a/src/test/compile-fail/issue-42106.rs b/src/test/ui/issue-42106.rs
similarity index 92%
rename from src/test/compile-fail/issue-42106.rs
rename to src/test/ui/issue-42106.rs
index a9aa94b5b08..f13f1dd1145 100644
--- a/src/test/compile-fail/issue-42106.rs
+++ b/src/test/ui/issue-42106.rs
@@ -10,7 +10,7 @@
 
 fn do_something<T>(collection: &mut Vec<T>) {
     let _a = &collection;
-    collection.swap(1, 2); //~ ERROR E0502
+    collection.swap(1, 2);
 }
 
 fn main() {}
diff --git a/src/test/ui/issue-42106.stderr b/src/test/ui/issue-42106.stderr
new file mode 100644
index 00000000000..481cdb5f5b2
--- /dev/null
+++ b/src/test/ui/issue-42106.stderr
@@ -0,0 +1,12 @@
+error[E0502]: cannot borrow `*collection` as mutable because `collection` is also borrowed as immutable
+  --> $DIR/issue-42106.rs:13:5
+   |
+12 |     let _a = &collection;
+   |               ---------- immutable borrow occurs here
+13 |     collection.swap(1, 2);
+   |     ^^^^^^^^^^ mutable borrow occurs here
+14 | }
+   | - immutable borrow ends here
+
+error: aborting due to 2 previous errors
+