private void initializeBackingError() {
this.stackTrace = null; // Invalidate the cached trace
// Replace newlines with spaces so that we don't confuse the parser
// below which splits on newlines, and will otherwise try to parse
// the error message as part of the stack trace.
// TODO: use string.asNativeString.replace instead when available.
String errorMessage = internalToString().replace('\n', ' ');
setBackingJsObject(fixIE(createError(errorMessage)));
captureStackTrace();
}
Throwable(Object backingJsObject) {
setBackingJsObject(backingJsObject);
}