}
	q := t.connsPerHostWait[w.key]
	q.cleanFrontNotWaiting()
	q.pushBack(w)
	t.connsPerHostWait[w.key] = q
}

// startDialConnFor calls dialConn in a new goroutine.
// t.connsPerHostMu must be held.
func (t *Transport) startDialConnForLocked(w *wantConn) {
	t.dialsInProgress.cleanFrontCanceled()
	t.dialsInProgress.pushBack(w)
	go func() {

	}
	if !reflect.DeepEqual(oe, want) {
		t.Errorf("Got error %#v; want %#v", oe, want)
	}
}

// Issue 36431: calls to RoundTrip should not mutate t.ProxyConnectHeader.
//
// (A bug caused dialConn to instead write the per-request Proxy-Authorization
// header through to the shared Header instance, introducing a data race.)
func TestTransportProxyDialDoesNotMutateProxyConnectHeader(t *testing.T) {