portage-ng / portage / kde-plasma / plasma-login-sessions / 6.6.6-r1
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =kde-plasma/plasma-login-sessions-6.6.6-r1 ), mode none
!!! trying kde-plasma/plasma-login-sessions-6.6.6-r1
!!!   request >=kde-plasma/plasma-workspace-6.6.6:6[X], mode rdepend
!!!   trying kde-plasma/plasma-workspace-6.8.0
!!!     request >=dev-qt/qtbase-6.11.2:6=[dbus,gui,libinput,network,opengl,sql,sqlite,wayland,widgets,xml], mode depend
!!!     trying dev-qt/qtbase-6.11.2-r2
!!!       failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-qt/qtbase-6.11.2-r2' @0x1035150d0> wrapped='use' @0x1036cc2d0>]
!!!     removing choices involving >=dev-qt/qtbase-6.11.2:6=[dbus,gui,libinput,network,opengl,sql,sqlite,wayland,widgets,xml]
!!!   removing choices involving >=kde-plasma/plasma-workspace-6.6.6:6[X]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =kde-plasma/plasma-login-sessions-6.6.6-r1 )'
potentials:
repo gentoo: [ ebuild src: kde-plasma/plasma-login-sessions-6.6.6-r1 ]

Wall time
0.509 s vs. 17.141 s for portage-ng