[interpreter] Add a register operand to ToNumber

src/interpreter/bytecode-generator.cc

Index: src/interpreter/bytecode-generator.cc
diff --git a/src/interpreter/bytecode-generator.cc b/src/interpreter/bytecode-generator.cc
index ab8868977e54bc8edf37fe78cb38656c2f46924b..e2d35e4034f92eb9e99c0d92ecd6915589d5a4c1 100644
--- a/src/interpreter/bytecode-generator.cc
+++ b/src/interpreter/bytecode-generator.cc
@@ -2791,7 +2791,7 @@ void BytecodeGenerator::VisitCountOperation(CountOperation* expr) {
     old_value = register_allocator()->outer()->NewRegister();
 
     // Convert old value into a number before saving it.
-    builder()->CastAccumulatorToNumber().StoreAccumulatorInRegister(old_value);
+    builder()->CastAccumulatorToNumber(old_value);
   }
 
   // Perform +1/-1 operation.