Your package v8 failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17790453 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1254302 [details] build.log
Created attachment 1254303 [details] root.log
Created attachment 1254304 [details] state.log
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.
v8-5.2.258-11.fc27 and v8-5.2.258-11.fc26 are now built.