Minor codegen improvements

Author: Sergio0694

Microsoft.Toolkit.HighPerformance/Extensions/IBufferWriterExtensions.cs

@@ -102,7 +102,6 @@ public static void Write<T>(this IBufferWriter<T> writer, ReadOnlySpan<T> span)
         /// <summary>
         /// Throws an <see cref="ArgumentException"/> when trying to write too many bytes to the target writer.
         /// </summary>
-        [MethodImpl(MethodImplOptions.NoInlining)]
         private static void ThrowArgumentExceptionForEndOfBuffer()
         {
             throw new ArgumentException("The current buffer writer can't contain the requested input data.");

Microsoft.Toolkit.HighPerformance/Extensions/ReadOnlySpanExtensions.cs

@@ -164,7 +164,7 @@ public static unsafe int IndexOf<T>(this ReadOnlySpan<T> span, in T value)
         /// <param name="value">The <typeparamref name="T"/> value to look for.</param>
         /// <returns>The number of occurrences of <paramref name="value"/> in <paramref name="span"/>.</returns>
         [Pure]
-        [MethodImpl(MethodImplOptions.NoInlining)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static int Count<T>(this ReadOnlySpan<T> span, T value)
             where T : IEquatable<T>
         {

Microsoft.Toolkit.HighPerformance/Extensions/SpanExtensions.cs

@@ -223,7 +223,6 @@ public static int GetDjb2HashCode<T>(this Span<T> span)
         /// <summary>
         /// Throws an <see cref="ArgumentOutOfRangeException"/> when the given reference is out of range.
         /// </summary>
-        [MethodImpl(MethodImplOptions.NoInlining)]
         internal static void ThrowArgumentOutOfRangeExceptionForInvalidReference()
         {
             throw new ArgumentOutOfRangeException("value", "The input reference does not belong to an element of the input span");

Microsoft.Toolkit.HighPerformance/Extensions/StreamExtensions.cs

@@ -245,7 +245,6 @@ public static void Write<T>(this Stream stream, in T value)
         /// <summary>
         /// Throws an <see cref="InvalidOperationException"/> when <see cref="Read{T}"/> fails.
         /// </summary>
-        [MethodImpl(MethodImplOptions.NoInlining)]
         private static void ThrowInvalidOperationExceptionForEndOfStream()
         {
             throw new InvalidOperationException("The stream didn't contain enough data to read the requested item");