Fix math intrinsic And Array length

[github-actions[bot]]

Test262 conformance changes:

Test result	Dev count	PR count	Difference
Total	79,437	79,437	0
Passed	18,136	18,144	+8
Ignored	24,388	24,388	0
Failed	36,867	36,861	-6
Panics	46	44	-2
Conformance	22.83	22.84	+0.01%

Base Failed But New Passed

``` 1. [strict] test262/test/annexB/built-ins/Date/prototype/setYear/this-time-nan.js 2. [non-strict] test262/test/annexB/built-ins/Date/prototype/setYear/this-time-nan.js 3. [non-strict] test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-1.js 4. [strict] test262/test/built-ins/Object/keys/15.2.3.14-2-8.js 5. [strict] test262/test/language/types/number/8.5.1.js 6. [strict] test262/test/built-ins/Object/keys/15.2.3.14-3-1.js 7. [strict] test262/test/built-ins/Date/prototype/setFullYear/this-value-invalid-date.js 8. [non-strict] test262/test/built-ins/Date/prototype/setFullYear/this-value-invalid-date.js 9. [non-strict] test262/test/language/types/number/8.5.1.js 10. [non-strict] test262/test/built-ins/Object/keys/15.2.3.14-4-1.js ```

New Failed But Base Passed

``` 1. [non-strict] test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-3.js 2. [non-strict] test262/test/built-ins/Object/create/15.2.3.5-4-39.js ```