Fix number of result operands for LThrow....

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
===================================================================
--- src/x64/lithium-x64.h	(revision 6300)
+++ src/x64/lithium-x64.h	(working copy)
@@ -1189,9 +1189,9 @@
 };
 
 
-class LThrow: public LUnaryOperation<1> {
+class LThrow: public LUnaryOperation<0> {
  public:
-  explicit LThrow(LOperand* value) : LUnaryOperation<1>(value) { }
+  explicit LThrow(LOperand* value) : LUnaryOperation<0>(value) { }
 
   DECLARE_CONCRETE_INSTRUCTION(Throw, "throw")
 };