[Fix] `String#lastIndexOf`: ensure the correct length in IE 8.
[Fix] `String#lastIndexOf`: ensure the correct length in IE 8.
ljharb/es5-shim,Xotic750/es5-shim,Xotic750/es5-shim,es-shims/es5-shim,es-shims/es5-shim,ljharb/es5-shim