X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2Freferencesource%2FSystem.Core%2FMicrosoft%2FScripting%2FCompiler%2FLambdaCompiler.Unary.cs;h=cb8ef7da1664903aca8989163ec517cb451d6abc;hb=215901f51bf00e9d1e58cada05033aae8283e336;hp=e7e9dc172542250e671c1dcb931cb339164a7f0d;hpb=10e54be5f860d412d2ab5b193de582e232ceeb7e;p=mono.git

diff --git a/mcs/class/referencesource/System.Core/Microsoft/Scripting/Compiler/LambdaCompiler.Unary.cs b/mcs/class/referencesource/System.Core/Microsoft/Scripting/Compiler/LambdaCompiler.Unary.cs
index e7e9dc17254..cb8ef7da166 100644
--- a/mcs/class/referencesource/System.Core/Microsoft/Scripting/Compiler/LambdaCompiler.Unary.cs
+++ b/mcs/class/referencesource/System.Core/Microsoft/Scripting/Compiler/LambdaCompiler.Unary.cs
@@ -291,12 +291,12 @@ namespace System.Linq.Expressions.Compiler {
                 // if it is null, and then call the conversion.
                 //
                 // We cannot fix this in C# but there is no reason why we need to
-                // propagate this 
-
-
-
-
-
+                // propagate this bug into the expression tree API.  Unfortunately
+                // this means that when the C# compiler generates the lambda
+                // (int? i)=>(MyClass)i, we will get different results for converting
+                // that lambda to a delegate directly and converting that lambda to
+                // an expression tree and then compiling it.  We can live with this
+                // discrepancy however.
 
                 if (node.IsLifted && (!node.Type.IsValueType || !node.Operand.Type.IsValueType)) {
                     ParameterInfo[] pis = node.Method.GetParametersCached();