From 7e5aef990eb4c8d7b34fc5f8a9a1fd5ed326410d Mon Sep 17 00:00:00 2001
From: Mandar Sahasrabuddhe <WinCPP@users.noreply.github.com>
Date: Sat, 25 Mar 2017 06:51:56 +0530
Subject: [PATCH] CoreFx 14486 Remove argument validation in DangerousCreate
 (#10462)

---
 src/mscorlib/src/System/ReadOnlySpan.cs | 16 +---------------
 src/mscorlib/src/System/Span.cs         | 16 +---------------
 2 files changed, 2 insertions(+), 30 deletions(-)

diff --git a/src/mscorlib/src/System/ReadOnlySpan.cs b/src/mscorlib/src/System/ReadOnlySpan.cs
index ccbca3c..72754d7 100644
--- a/src/mscorlib/src/System/ReadOnlySpan.cs
+++ b/src/mscorlib/src/System/ReadOnlySpan.cs
@@ -120,22 +120,8 @@ namespace System
         /// <param name="obj">The managed object that contains the data to span over.</param>
         /// <param name="objectData">A reference to data within that object.</param>
         /// <param name="length">The number of <typeparamref name="T"/> elements the memory contains.</param>
-        /// <exception cref="System.ArgumentNullException">
-        /// Thrown when the specified object is null.
-        /// </exception>
-        /// <exception cref="System.ArgumentOutOfRangeException">
-        /// Thrown when the specified <paramref name="length"/> is negative.
-        /// </exception>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static ReadOnlySpan<T> DangerousCreate(object obj, ref T objectData, int length)
-        {
-            if (obj == null)
-                ThrowHelper.ThrowArgumentNullException(ExceptionArgument.obj);
-            if (length < 0)
-                ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.length);
-
-            return new ReadOnlySpan<T>(ref objectData, length);
-        }
+        public static ReadOnlySpan<T> DangerousCreate(object obj, ref T objectData, int length) => new ReadOnlySpan<T>(ref objectData, length);
 
         // Constructor for internal use only.
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
diff --git a/src/mscorlib/src/System/Span.cs b/src/mscorlib/src/System/Span.cs
index e730582..e6620f8 100644
--- a/src/mscorlib/src/System/Span.cs
+++ b/src/mscorlib/src/System/Span.cs
@@ -137,22 +137,8 @@ namespace System
         /// <param name="obj">The managed object that contains the data to span over.</param>
         /// <param name="objectData">A reference to data within that object.</param>
         /// <param name="length">The number of <typeparamref name="T"/> elements the memory contains.</param>
-        /// <exception cref="System.ArgumentNullException">
-        /// Thrown when the specified object is null.
-        /// </exception>
-        /// <exception cref="System.ArgumentOutOfRangeException">
-        /// Thrown when the specified <paramref name="length"/> is negative.
-        /// </exception>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static Span<T> DangerousCreate(object obj, ref T objectData, int length)
-        {
-            if (obj == null)
-                ThrowHelper.ThrowArgumentNullException(ExceptionArgument.obj);
-            if (length < 0)
-                ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.length);
-
-            return new Span<T>(ref objectData, length);
-        }
+        public static Span<T> DangerousCreate(object obj, ref T objectData, int length) => new Span<T>(ref objectData, length);
 
         // Constructor for internal use only.
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-- 
2.7.4