nl_tokens: Utility for debugger
pl_tokens: function PromiseHasUserDefinedRejectHandlerCheck ( handler , deferred ) { if ( handler !== PromiseIdRejectHandler ) { var combinedDeferred = GET_PRIVATE ( handler , promiseCombinedDeferredSymbol ) ; if ( IS_UNDEFINED ( combinedDeferred ) ) return <mask> ; if ( PromiseHasUserDefinedRejectHandlerRecursive ( combinedDeferred . promise ) ) { return true ; } } else if ( PromiseHasUserDefinedRejectHandlerRecursive ( deferred . promise ) ) { return true ; } return false ; }