Fix number of result operands for LThrow.

This instruction does not produce a result. We don't need a result
LOperand for it.

Review URL: http://codereview.chromium.org/6306001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6305 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/lithium-ia32.h

@@ -1189,9 +1189,9 @@ class LValueOf: public LUnaryOperation<1> {
 };
 
 
-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")
 };

src/x64/lithium-x64.h

@@ -1189,9 +1189,9 @@ class LValueOf: public LUnaryOperation<1> {
 };
 
 
-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")
 };