Function prepareStackTrace

ses.cjs:7438–7447

(error, sst)

      return stackString;
     },
    prepareStackTrace(error, sst) {
      if( errorTaming===  'unsafe') {
        const stackString=  stackStringFromSST(error, sst);
        weakmapSet(stackInfos, error, { stackString});
        return  `${error}${stackString}`;
       }else {
        weakmapSet(stackInfos, error, { callSites: sst});
        return '';
       }
     }};


  // A prepareFn is a prepareStackTrace function.