!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =llvm-runtimes/libunwind-18.1.8 ), mode none
!!! trying llvm-runtimes/libunwind-18.1.8
!!!   request ( not (!sys-libs/libunwind) && sys-libs/libunwind ), mode none
!!!   failed due to rdepend blocker: !sys-libs/libunwind conflicts w/ [<MutatedPkg pkg=<pkgcore.vdb.ondisk._WrappedInstalledPkg object at 0x10d4e2f50> overrides=('bdepend', 'depend', 'rdepend', 'pdepend', 'idepend') @0x10d4c72a0>]
!!!   removing choices involving !sys-libs/libunwind

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =llvm-runtimes/libunwind-18.1.8 )'
potentials:
repo gentoo: [ ebuild src: llvm-runtimes/libunwind-18.1.8 ]