The new bison in rawhide looks for bison.hairy and bison.simple in /usr/share, but the rpm installs them to /usr/lib.
Fixed in bison-1.27-2. Thanks.
*** Bug 1472 has been marked as a duplicate of this bug. *** bison -y -d -t ./parser.y bison: /usr/share/bison.simple: No such file or directory connecting# rpm -ql bison /usr/bin/bison /usr/info/bison.info.gz /usr/lib/bison.hairy /usr/lib/bison.simple