diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 23a41d4bd7..91ab0da1f2 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2018-08-31  Tom Tromey  <tom@tromey.com>
+
+	* gdb.rust/simple.rs: Rename second variable "v".
+
 2018-08-30  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* gdb.base/funcargs.c (use_a): New function.
diff --git a/gdb/testsuite/gdb.rust/simple.rs b/gdb/testsuite/gdb.rust/simple.rs
index 9d89361b75..1bcc030d60 100644
--- a/gdb/testsuite/gdb.rust/simple.rs
+++ b/gdb/testsuite/gdb.rust/simple.rs
@@ -166,7 +166,7 @@ fn main () {
     };
 
     let u = Union { f2: 255 };
-    let v = SimpleLayout { f1: 8, f2: 9 };
+    let simplelayout = SimpleLayout { f1: 8, f2: 9 };
 
     println!("{}, {}", x.0, x.1);        // set breakpoint here
     println!("{}", diff2(92, 45));