From 5357afd9d165f01f5dd60821e790cf4134602374 Mon Sep 17 00:00:00 2001
From: Adam Speight <AdamSpeight2008@users.noreply.github.com>
Date: Wed, 28 Sep 2016 18:13:52 +0100
Subject: [PATCH] Small optimisation in CompilerOptionParseUtilities.cs
 (#13975)

Just return the array from the `.Split` function as array implements `IList`
---
 .../InternalUtilities/CompilerOptionParseUtilities.cs    | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/src/Compilers/Core/Portable/InternalUtilities/CompilerOptionParseUtilities.cs b/src/Compilers/Core/Portable/InternalUtilities/CompilerOptionParseUtilities.cs
index acd763094b6..41b3065f64a 100644
--- a/src/Compilers/Core/Portable/InternalUtilities/CompilerOptionParseUtilities.cs
+++ b/src/Compilers/Core/Portable/InternalUtilities/CompilerOptionParseUtilities.cs
@@ -19,14 +19,7 @@ public static IList<string> ParseFeatureFromMSBuild(string features)
                 return SpecializedCollections.EmptyList<string>();
             }
 
-            var all = features.Split(new[] { ';', ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
-            var list = new List<string>(capacity: all.Length);
-            foreach (var feature in all)
-            {
-                list.Add(feature);
-            }
-
-            return list;
+            return features.Split(new[] { ';', ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
         }
 
         public static ImmutableDictionary<string, string> ParseFeatures(List<string> values)
-- 
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