squash: Revert BigInt typechecks for consistency
squash: Revert BigInt typechecks for consistency

nawawi/closure-compiler,nawawi/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,ChadKillingsworth/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,monetate/closure-compiler,monetate/closure-compiler,nawawi/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,google/closure-compiler,nawawi/closure-compiler,google/closure-compiler