Christoph Berg <cb@df7cb.de> writes:
> gcc5 is lurking in Debian experimental, and it's breaking initdb.
FYI, this is now fixed in Red Hat's rawhide version:
https://bugzilla.redhat.com/show_bug.cgi?id=1190978
Don't know what the update process is like for Debian's copy, but
maybe you could pester the appropriate people to absorb the referenced
upstream fix quickly.
regards, tom lane