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Imported Upstream version 4.2.0.179

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Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479
This commit is contained in:
Xamarin Public Jenkins
2015-08-26 07:17:56 -04:00
committed by Jo Shields
parent aa7da660d6
commit c042cd0c52
7507 changed files with 90259 additions and 657307 deletions
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9
mcs/class/corlib/System/IntPtr.cs
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@@ -45,6 +45,7 @@
using System.Globalization;
using System.Runtime.Serialization;
using System.Runtime.ConstrainedExecution;
using System.Diagnostics.Contracts;
namespace System
{
@@ -223,5 +224,13 @@ namespace System
{
return (IntPtr) (unchecked (((byte *) pointer) - offset));
}
// fast way to compare IntPtr to (IntPtr)0 while IntPtr.Zero doesn't work due to slow statics access
[Pure]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
internal unsafe bool IsNull()
{
return m_value == null;
}
}
}