Both packages appear to contain an overlapping set of binaries. While they do not cause collisions themselves, FEATURES=splitdebug does cause collisions in /usr/lib/debug/.build-id.
See also bug 644980. More collisions with clion.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=67f77da4d63c44881f9319dbabeea1f4eae97540 commit 67f77da4d63c44881f9319dbabeea1f4eae97540 Author: Christian Strahl <c.a.strahl@gmail.com> AuthorDate: 2018-07-30 16:09:57 +0000 Commit: Georgy Yakovlev <gyakovlev@gentoo.org> CommitDate: 2018-08-06 15:46:36 +0000 dev-util/clion: prevent file collisions with other jetbrains products Closes: https://bugs.gentoo.org/640954 Closes: https://bugs.gentoo.org/644980 dev-util/clion/clion-2018.2.ebuild | 1 + 1 file changed, 1 insertion(+)