From 7ddc52b1e6afbae44a12aaf9e1899890ecebaf99 Mon Sep 17 00:00:00 2001
From: Rikki Gibson <rigibson@microsoft.com>
Date: Mon, 29 Jun 2020 09:47:42 -0700
Subject: [PATCH] Remove unnecessary Clone() (#45469)

---
 src/Compilers/CSharp/Portable/FlowAnalysis/NullableWalker.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Compilers/CSharp/Portable/FlowAnalysis/NullableWalker.cs b/src/Compilers/CSharp/Portable/FlowAnalysis/NullableWalker.cs
index e676ecbad85..8a1d17f5439 100644
--- a/src/Compilers/CSharp/Portable/FlowAnalysis/NullableWalker.cs
+++ b/src/Compilers/CSharp/Portable/FlowAnalysis/NullableWalker.cs
@@ -2122,7 +2122,7 @@ private void VisitStatementsWithLocalFunctions(BoundBlock block)
             // The starting state is the top state, but with captured
             // variables set according to Joining the state at all the
             // local function use sites
-            State = TopState().Clone();
+            State = TopState();
             for (int slot = 1; slot < localFunctionState.StartingState.Capacity; slot++)
             {
                 var symbol = variableBySlot[RootSlot(slot)].Symbol;
-- 
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