error handler of same domain can be called several times when it throws

<!-- Thank you for reporting a possible bug in Node.js. Please fill in as much of the template below as you can. Version: output of `node -v` Platform: output of `uname -a` (UNIX), or version and 32 or 64-bit (Windows) Subsystem: if known, please specify the affected core module name If possible, please provide code that demonstrates the problem, keeping it as simple and free of external dependencies as you can. --> * **Version**: Current tip of master (66f45e7e5b), but probably applies to all versions. * **Platform**: All platforms. * **Subsystem**: domain. <!-- Please provide more details below this comment. --> The following code: ``` 'use strict'; const common = require('../common'); const domain = require('domain'); const http = require('http'); const server = http.createServer((req, res) => { res.end(); }); let numDomainErrorListenerCalls = 0; function performHttpRequestWithDomain(cb) { const d = domain.create(); d.run(() => { const req = http.get({ host: '127.0.0.1', port: server.address().port }, (res) => { res.on('data', () => {}); res.on('end', () => { throw new Error('bang'); }); }); req.end(); }); d.on('error', (domainErr) => { console.log(++numDomainErrorListenerCalls); throw new Error('boom'); }); } server.listen(0, '127.0.0.1', () => { performHttpRequestWithDomain(common.mustCall(() => { server.close(); })); }); ``` gives the following output: ``` $ ./node test/parallel/test-http-req-domain-stack.js 1 2 /Users/jgilli/dev/node/test/parallel/test-http-req-domain-stack.js:30 throw new Error('boom'); ^ Error: boom at Domain.d.on (/Users/jgilli/dev/node/test/parallel/test-http-req-domain-stack.js:30:11) at Domain.emit (events.js:188:13) at Domain.EventEmitter.emit (domain.js:430:20) at Domain._errorHandler (domain.js:216:23) at Domain._errorHandler (domain.js:244:33) at Object.setUncaughtExceptionCaptureCallback (domain.js:132:29) at process._fa…