126     if (input->IsNumber()) {  in ToNumber()
182     if (input->IsNumber()) {  in ToString()
283     if (!x->IsNumber()) {  in Compare()
288     } else if (!y->IsNumber()) {  in Compare()
302     if (x->IsNumber()) {  in Equals()
303       if (y->IsNumber()) {  in Equals()
321       } else if (y->IsNumber()) {  in Equals()
338       } else if (y->IsNumber()) {  in Equals()
396   if (this->IsNumber()) {  in StrictEquals()
397     if (!that->IsNumber()) return false;  in StrictEquals()
412   if (object->IsNumber()) return isolate->factory()->number_string();  in TypeOf()
432   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in Multiply()
448   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in Divide()
464   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in Modulus()
480   if (lhs->IsNumber() && rhs->IsNumber()) {  in Add()
509   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in Subtract()
525   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in ShiftLeft()
542   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in ShiftRight()
561   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in ShiftRightLogical()
578   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in BitwiseAnd()
595   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in BitwiseOr()
612   if (!lhs->IsNumber() || !rhs->IsNumber()) {  in BitwiseXor()
1534   if (IsNumber() && other->IsNumber()) {  in SameValue()
1576   if (IsNumber() && other->IsNumber()) {  in SameValueZero()
4341     if (!value->IsNumber() && !value->IsUndefined()) {  in SetDataProperty()
6502   DCHECK(key->IsName() || key->IsNumber());  // |key| is a PropertyKey...  in OrdinaryDefineOwnProperty()
6872   DCHECK(value->IsNumber() || value->IsName());  in PropertyKeyToArrayLength()
7089   DCHECK(key->IsName() || key->IsNumber());  in DefineOwnProperty()
7230   DCHECK(key->IsName() || key->IsNumber());  // |key| is a PropertyKey...  in GetOwnPropertyDescriptor()
8439     if (!(e->IsName() || e->IsNumber())) return false;  in ContainsOnlyValidKeys()
9130     bool value_is_number = value->IsNumber();  in SlowReverseLookup()
15775     if (key->IsNumber()) {  in BestFittingFastElementsKind()
15777       if (!value->IsNumber()) return FAST_HOLEY_ELEMENTS;  in BestFittingFastElementsKind()
16673       if (!other->IsNumber()) return false;  in IsMatch()
16718     if (obj->IsNumber()) {  in HashForObject()
17475     DCHECK(k->IsNumber());  in PrepareSlowElementsForSort()
18021     if (get(entry_index)->IsNumber()) {  in Age()
18264   DCHECK((dictionary->KeyAt(entry)->IsNumber() ||  in AddEntry()