From 5fca6eb89eebe00238c66bc57b1ab2ecf236dfdd Mon Sep 17 00:00:00 2001
From: HMPerson1 <hmperson1@gmail.com>
Date: Fri, 20 Oct 2017 21:26:41 -0400
Subject: [PATCH] Fix #2160

---
 clippy_lints/src/is_unit_expr.rs | 1 +
 tests/ui/is_unit_expr.rs         | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/clippy_lints/src/is_unit_expr.rs b/clippy_lints/src/is_unit_expr.rs
index 3f94178e524..422d9739ef9 100644
--- a/clippy_lints/src/is_unit_expr.rs
+++ b/clippy_lints/src/is_unit_expr.rs
@@ -132,6 +132,7 @@ fn is_unit_expr(expr: &Expr) -> Option<Span> {
 }
 
 fn check_last_stmt_in_block(block: &Block) -> bool {
+    if block.stmts.is_empty() { return false; }
     let final_stmt = &block.stmts[block.stmts.len() - 1];
 
 
diff --git a/tests/ui/is_unit_expr.rs b/tests/ui/is_unit_expr.rs
index 24a2587dc53..7e2cc4725f0 100644
--- a/tests/ui/is_unit_expr.rs
+++ b/tests/ui/is_unit_expr.rs
@@ -71,3 +71,7 @@ pub fn foo() -> i32 {
     };
     55
 }
+
+pub fn issue_2160() {
+    let x = {};
+}