From f14ebd1142ec6fb319e17b1ef8bf5b2db710f8ef Mon Sep 17 00:00:00 2001
From: David Renshaw <david@sandstorm.io>
Date: Tue, 20 Jun 2017 19:35:46 +0900
Subject: [PATCH] handle EndRegion as no-op

---
 src/step.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/step.rs b/src/step.rs
index 9e04d583a2..839f666f62 100644
--- a/src/step.rs
+++ b/src/step.rs
@@ -141,6 +141,8 @@ impl<'a, 'tcx> EvalContext<'a, 'tcx> {
                 self.deallocate_local(old_val)?;
             }
 
+            EndRegion(..) => {}
+
             // Defined to do nothing. These are added by optimization passes, to avoid changing the
             // size of MIR constantly.
             Nop => {}