From 6d1267a88329bafd2d2e6c50bcc6a08fc1b612db Mon Sep 17 00:00:00 2001
From: Sam Harwell <sam@tunnelvisionlabs.com>
Date: Sun, 17 Feb 2013 15:07:24 -0600
Subject: [PATCH] Cannot assign a value to foreach iteration variable in C#

---
 Antlr4.Runtime/Atn/PredictionMode.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Antlr4.Runtime/Atn/PredictionMode.cs b/Antlr4.Runtime/Atn/PredictionMode.cs
index fa104645c..e58d4fbfa 100644
--- a/Antlr4.Runtime/Atn/PredictionMode.cs
+++ b/Antlr4.Runtime/Atn/PredictionMode.cs
@@ -260,8 +260,8 @@ namespace Antlr4.Runtime.Atn
                     ATNConfigSet dup = new ATNConfigSet();
                     foreach (ATNConfig c in configs)
                     {
-                        c = c.Transform(c.GetState(), SemanticContext.None);
-                        dup.AddItem(c);
+                        ATNConfig config = c.Transform(c.GetState(), SemanticContext.None);
+                        dup.AddItem(config);
                     }
                     configs = dup;
                 }