https://bugzilla.redhat.com/show_bug.cgi?id=1460254
--- Comment #16 from Jakub Čajka jcajka@redhat.com --- (In reply to Jakub Čajka from comment #15)
For the record, workaround(ignoring the symbols) to keep building of 390x on is now part of golang-1.8.3-1.fc26 and golang-1.9-0.beta2.1.fc27
Correction golang-1.8.3-2.fc26