Bump corefx

4 files changed, 29 insertions, 2 deletions

diff --git a/mcs/class/referencesource/mscorlib/system/double.cs b/mcs/class/referencesource/mscorlib/system/double.cs
index 57b4b632721..74211ede99e 100644
--- a/mcs/class/referencesource/mscorlib/system/double.cs
+++ b/mcs/class/referencesource/mscorlib/system/double.cs
@@ -103,6 +103,16 @@ namespace System {
             return (*(UInt64*)(&d) & 0x7FFFFFFFFFFFFFFFL) > 0x7FF0000000000000L;
         }
 
+#if MONO
+        [Pure]
+        [System.Runtime.Versioning.NonVersionable]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public unsafe static bool IsFinite(double d)
+        {
+            var bits = BitConverter.DoubleToInt64Bits(d);
+            return (bits & 0x7FFFFFFFFFFFFFFF) < 0x7FF0000000000000;
+        }
+#endif
 
         // Compares this object to another object, returning an instance of System.Relation.
         // Null is considered less than any instance.
diff --git a/mcs/class/referencesource/mscorlib/system/io/stream.cs b/mcs/class/referencesource/mscorlib/system/io/stream.cs
index fa022e96e5d..d830182a037 100644
--- a/mcs/class/referencesource/mscorlib/system/io/stream.cs
+++ b/mcs/class/referencesource/mscorlib/system/io/stream.cs
@@ -40,7 +40,7 @@ namespace System.IO {
     [ContractClass(typeof(StreamContract))]
 #endif
 #if FEATURE_REMOTING || MONO
-    public abstract class Stream : MarshalByRefObject, IDisposable {
+    public abstract partial class Stream : MarshalByRefObject, IDisposable {
 #else // FEATURE_REMOTING
     public abstract class Stream : IDisposable {
 #endif // FEATURE_REMOTING
@@ -195,6 +195,9 @@ namespace System.IO {
             InternalCopyTo(destination, _DefaultCopyBufferSize);
         }
 
+#if MONO
+        virtual
+#endif
         public void CopyTo(Stream destination, int bufferSize)
         {
             if (destination == null)
diff --git a/mcs/class/referencesource/mscorlib/system/single.cs b/mcs/class/referencesource/mscorlib/system/single.cs
index 5e2cf73befd..3338e560db9 100644
--- a/mcs/class/referencesource/mscorlib/system/single.cs
+++ b/mcs/class/referencesource/mscorlib/system/single.cs
@@ -76,6 +76,15 @@ namespace System {
             return (*(int*)(&f) & 0x7FFFFFFF) > 0x7F800000;
         }
 
+#if MONO
+        [Pure]
+        [System.Runtime.Versioning.NonVersionable]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public unsafe static bool IsFinite(float f) {
+            return (*(int*)(&f) & 0x7FFFFFFF) < 0x7F800000;
+        }
+#endif
+
         // Compares this object to another object, returning an integer that
         // indicates the relationship.
         // Returns a value less than zero if this  object
diff --git a/mcs/class/referencesource/mscorlib/system/throwhelper.cs b/mcs/class/referencesource/mscorlib/system/throwhelper.cs
index a47c670b31a..4bb821293cc 100644
--- a/mcs/class/referencesource/mscorlib/system/throwhelper.cs
+++ b/mcs/class/referencesource/mscorlib/system/throwhelper.cs
@@ -51,7 +51,7 @@ namespace System {
     using System.Diagnostics.Contracts;
 
     [Pure]
-    internal static class ThrowHelper {    
+    internal static partial class ThrowHelper {
         internal static void ThrowArgumentOutOfRangeException() {        
             ThrowArgumentOutOfRangeException(ExceptionArgument.index, ExceptionResource.ArgumentOutOfRange_Index);            
         }
@@ -76,6 +76,7 @@ namespace System {
             throw new ArgumentException(Environment.GetResourceString(GetResourceName(resource)), GetArgumentName(argument));
         }
 
+#if !MONO
         internal static void ThrowArgumentNullException(ExceptionArgument argument) {
             throw new ArgumentNullException(GetArgumentName(argument));
         }
@@ -83,6 +84,7 @@ namespace System {
         internal static void ThrowArgumentOutOfRangeException(ExceptionArgument argument) {
             throw new ArgumentOutOfRangeException(GetArgumentName(argument));
         }
+#endif
 
         internal static void ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource) {
                 
@@ -468,6 +470,9 @@ namespace System {
         options,
         view,
         sourceBytesToCopy,
+#if MONO
+        start,
+#endif
     }
 
     //