From a6c5320e08b49eb5f9772af8f2f00d30c8a21820 Mon Sep 17 00:00:00 2001
From: Justin Van Patten <jvp@justinvp.com>
Date: Tue, 23 Aug 2016 20:16:22 -0700
Subject: [PATCH] DateTimeFormat: Avoid intermediate char[] allocation
 (dotnet/coreclr#6863)

An unnecessary intermediate char[] allocation can be avoided by calling
`new string(c, 1)` instead of `new string(new char[] { c })`.

Commit migrated from https://github.com/dotnet/coreclr/commit/d014a8fab82d2ff70185ae6c29d2ae5a4074cc00
---
 src/coreclr/src/mscorlib/src/System/Globalization/DateTimeFormat.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/coreclr/src/mscorlib/src/System/Globalization/DateTimeFormat.cs b/src/coreclr/src/mscorlib/src/System/Globalization/DateTimeFormat.cs
index cbb4039..228e5f5 100644
--- a/src/coreclr/src/mscorlib/src/System/Globalization/DateTimeFormat.cs
+++ b/src/coreclr/src/mscorlib/src/System/Globalization/DateTimeFormat.cs
@@ -1009,7 +1009,7 @@ namespace System {
                 case 'O':
                 case 's':
                 case 'u':            
-                    results = new String[] {Format(dateTime, new String(new char[] {format}), dtfi)};
+                    results = new String[] {Format(dateTime, new String(format, 1), dtfi)};
                     break;   
                 default:
                     throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
-- 
2.7.4