Skip creation of arguments object if possible

[raskad]

This Pull Request changes the following:

• Skip creation of arguments object if possible

This seems to increase the peformance in some benchmarks significantly:

Before:

RESULT Richards 55.9
RESULT DeltaBlue 49.1
RESULT Crypto 82.7
RESULT RayTrace 152
RESULT EarleyBoyer 180
RESULT RegExp 41.9
RESULT Splay 216
RESULT NavierStokes 186
SCORE 100

After:

RESULT Richards 72.0
RESULT DeltaBlue 67.6
RESULT Crypto 85.9
RESULT RayTrace 174
RESULT EarleyBoyer 219
RESULT RegExp 42.0
RESULT Splay 305
RESULT NavierStokes 186
SCORE 118

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	48,625	48,625	0
Passed	43,616	43,616	0
Ignored	1,471	1,471	0
Failed	3,538	3,538	0
Panics	0	0	0
Conformance	89.70%	89.70%	0.00%

[hansl]

LGTM! Thanks.

[jedel1043]

Looks great!