Do not ignore MemoryMarshal.TryWrite result (#108661)

Author: xtqqczze

src/libraries/System.Private.CoreLib/src/System/Guid.cs

@@ -900,13 +900,13 @@ public byte[] ToByteArray()
             var g = new byte[16];
             if (BitConverter.IsLittleEndian)
             {
-                MemoryMarshal.TryWrite(g, in this);
+                MemoryMarshal.Write(g, in this);
             }
             else
             {
                 // slower path for BigEndian
                 Guid guid = new Guid(MemoryMarshal.AsBytes(new ReadOnlySpan<Guid>(in this)), false);
-                MemoryMarshal.TryWrite(g, in guid);
+                MemoryMarshal.Write(g, in guid);
             }
             return g;
         }
@@ -918,13 +918,13 @@ public byte[] ToByteArray(bool bigEndian)
             var g = new byte[16];
             if (BitConverter.IsLittleEndian != bigEndian)
             {
-                MemoryMarshal.TryWrite(g, in this);
+                MemoryMarshal.Write(g, in this);
             }
             else
             {
                 // slower path for Reverse
                 Guid guid = new Guid(MemoryMarshal.AsBytes(new ReadOnlySpan<Guid>(in this)), bigEndian);
-                MemoryMarshal.TryWrite(g, in guid);
+                MemoryMarshal.Write(g, in guid);
             }
             return g;
         }
@@ -937,13 +937,13 @@ public bool TryWriteBytes(Span<byte> destination)
 
             if (BitConverter.IsLittleEndian)
             {
-                MemoryMarshal.TryWrite(destination, in this);
+                MemoryMarshal.Write(destination, in this);
             }
             else
             {
                 // slower path for BigEndian
                 Guid guid = new Guid(MemoryMarshal.AsBytes(new ReadOnlySpan<Guid>(in this)), false);
-                MemoryMarshal.TryWrite(destination, in guid);
+                MemoryMarshal.Write(destination, in guid);
             }
             return true;
         }
@@ -959,13 +959,13 @@ public bool TryWriteBytes(Span<byte> destination, bool bigEndian, out int bytesW
 
             if (BitConverter.IsLittleEndian != bigEndian)
             {
-                MemoryMarshal.TryWrite(destination, in this);
+                MemoryMarshal.Write(destination, in this);
             }
             else
             {
                 // slower path for Reverse
                 Guid guid = new Guid(MemoryMarshal.AsBytes(new ReadOnlySpan<Guid>(in this)), bigEndian);
-                MemoryMarshal.TryWrite(destination, in guid);
+                MemoryMarshal.Write(destination, in guid);
             }
             bytesWritten = 16;
             return true;