[interpreter] Add a register operand to ToNumber

test/cctest/interpreter/bytecode_expectations/CountOperators.golden

Index: test/cctest/interpreter/bytecode_expectations/CountOperators.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/CountOperators.golden b/test/cctest/interpreter/bytecode_expectations/CountOperators.golden
index 2c648afe0e283d4471f1a8c880caf74b13279f65..4ab61200c0afd6c60b15047f76f747b37e180551 100644
--- a/test/cctest/interpreter/bytecode_expectations/CountOperators.golden
+++ b/test/cctest/interpreter/bytecode_expectations/CountOperators.golden
@@ -33,13 +33,12 @@ snippet: "
 "
 frame size: 2
 parameter count: 1
-bytecode array length: 14
+bytecode array length: 13
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(1),
                 B(Star), R(0),
-  /*   45 S> */ B(ToNumber),
-                B(Star), R(1),
+  /*   45 S> */ B(ToNumber), R(1),
                 B(Inc),
                 B(Star), R(0),
                 B(Ldar), R(1),
@@ -76,13 +75,12 @@ snippet: "
 "
 frame size: 2
 parameter count: 1
-bytecode array length: 14
+bytecode array length: 13
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(1),
                 B(Star), R(0),
-  /*   45 S> */ B(ToNumber),
-                B(Star), R(1),
+  /*   45 S> */ B(ToNumber), R(1),
                 B(Dec),
                 B(Star), R(0),
                 B(Ldar), R(1),
@@ -99,15 +97,14 @@ snippet: "
 "
 frame size: 3
 parameter count: 1
-bytecode array length: 24
+bytecode array length: 23
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1),
                 B(Star), R(1),
                 B(Star), R(0),
   /*   54 S> */ B(LdaNamedProperty), R(0), U8(1), U8(1),
-                B(ToNumber),
-                B(Star), R(2),
+                B(ToNumber), R(2),
                 B(Inc),
   /*   66 E> */ B(StaNamedPropertySloppy), R(0), U8(1), U8(3),
                 B(Ldar), R(2),
@@ -150,7 +147,7 @@ snippet: "
 "
 frame size: 5
 parameter count: 1
-bytecode array length: 29
+bytecode array length: 28
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   45 S> */ B(LdaConstant), U8(0),
@@ -160,8 +157,7 @@ bytecodes: [
                 B(Star), R(1),
   /*   72 S> */ B(Ldar), R(0),
   /*   81 E> */ B(LdaKeyedProperty), R(1), U8(1),
-                B(ToNumber),
-                B(Star), R(4),
+                B(ToNumber), R(4),
                 B(Dec),
   /*   86 E> */ B(StaKeyedPropertySloppy), R(1), R(0), U8(3),
                 B(Ldar), R(4),
@@ -233,7 +229,7 @@ snippet: "
 "
 frame size: 3
 parameter count: 1
-bytecode array length: 31
+bytecode array length: 30
 bytecodes: [
                 B(CallRuntime), U16(Runtime::kNewFunctionContext), R(closure), U8(1),
                 B(PushContext), R(1),
@@ -243,8 +239,7 @@ bytecodes: [
   /*   53 S> */ B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
   /*   78 S> */ B(LdaContextSlot), R(context), U8(4),
-                B(ToNumber),
-                B(Star), R(2),
+                B(ToNumber), R(2),
                 B(Dec),
   /*   86 E> */ B(StaContextSlot), R(context), U8(4),
                 B(Ldar), R(2),
@@ -262,7 +257,7 @@ snippet: "
 "
 frame size: 4
 parameter count: 1
-bytecode array length: 26
+bytecode array length: 25
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   44 S> */ B(LdaSmi), U8(1),
@@ -270,8 +265,7 @@ bytecodes: [
   /*   55 S> */ B(CreateArrayLiteral), U8(0), U8(0), U8(3),
                 B(Star), R(1),
   /*   63 S> */ B(Ldar), R(0),
-                B(ToNumber),
-                B(Star), R(3),
+                B(ToNumber), R(3),
                 B(Inc),
                 B(Star), R(0),
                 B(LdaSmi), U8(2),