Add value parameter to Leave ctor.

ICSharpCode.Decompiler/IL/ControlFlow/AsyncAwaitDecompiler.cs

@@ -447,8 +447,7 @@ namespace ICSharpCode.Decompiler.IL.ControlFlow
 			moveNextFunction.ReleaseRef();
 			foreach (var branch in function.Descendants.OfType<Branch>()) {
 				if (branch.TargetBlock == setResultAndExitBlock) {
-					branch.ReplaceWith(new Leave((BlockContainer)function.Body) {
+					branch.ReplaceWith(new Leave((BlockContainer)function.Body, resultVar == null ? null : new LdLoc(resultVar)) {
-						Value = resultVar == null ? (ILInstruction)new Nop() : new LdLoc(resultVar),
 						ILRange = branch.ILRange
 					});
 				}

ICSharpCode.Decompiler/IL/ILReader.cs

@@ -526,7 +526,7 @@ namespace ICSharpCode.Decompiler.IL
 				case Cil.Code.Dup:
 					return Push(Peek());
 				case Cil.Code.Endfilter:
-					return new Leave(null) { Value = Pop() };
+					return new Leave(null, Pop());
 				case Cil.Code.Endfinally:
 					return new Leave(null);
 				case Cil.Code.Initblk:
@@ -943,7 +943,7 @@ namespace ICSharpCode.Decompiler.IL
 			if (methodReturnStackType == StackType.Void)
 				return new IL.Leave(mainContainer);
 			else
-				return new IL.Leave(mainContainer) { Value = Pop(methodReturnStackType) };
+				return new IL.Leave(mainContainer, Pop(methodReturnStackType));
 		}
 
 		private ILInstruction DecodeLdstr()

ICSharpCode.Decompiler/IL/Instructions/Leave.cs

@@ -34,12 +34,12 @@ namespace ICSharpCode.Decompiler.IL
 	{
 		BlockContainer targetContainer;
 		
-		public Leave(BlockContainer targetContainer) : base(OpCode.Leave)
+		public Leave(BlockContainer targetContainer, ILInstruction value = null) : base(OpCode.Leave)
 		{
 			// Note: ILReader will create Leave instructions with targetContainer==null to represent 'endfinally',
 			// the targetContainer will then be filled in by BlockBuilder
 			this.targetContainer = targetContainer;
-			this.Value = new Nop();
+			this.Value = value ?? new Nop();
 		}
 		
 		protected override InstructionFlags ComputeFlags()