perl-core/ExtUtils-ParseXS:0 (perl-core/ExtUtils-ParseXS-3.210.0::gentoo, ebuild scheduled for merge) conflicts with ~perl-core/ExtUtils-ParseXS-3.180.0 required by (virtual/perl-ExtUtils-ParseXS-3.180.0::gentoo, ebuild scheduled for merge) perl-core/Test-Harness:0 (perl-core/Test-Harness-3.280.0::gentoo, ebuild scheduled for merge) conflicts with ~perl-core/Test-Harness-3.260.0 required by (virtual/perl-Test-Harness-3.260.0::gentoo, ebuild scheduled for merge) perl-core/Module-CoreList:0 (perl-core/Module-CoreList-2.940.0::gentoo, ebuild scheduled for merge) conflicts with ~perl-core/Module-CoreList-2.840.0 required by (virtual/perl-Module-CoreList-2.840.0::gentoo, ebuild scheduled for merge) perl-core/Params-Check:0 (perl-core/Params-Check-0.380.0::gentoo, ebuild scheduled for merge) conflicts with ~perl-core/Params-Check-0.360.0 required by (virtual/perl-Params-Check-0.360.0::gentoo, ebuild scheduled for merge) perl-core/IPC-Cmd:0 (perl-core/IPC-Cmd-0.840.0::gentoo, ebuild scheduled for merge) conflicts with ~perl-core/IPC-Cmd-0.800.0 required by (virtual/perl-IPC-Cmd-0.800.0::gentoo, ebuild scheduled for merge) perl-core/Getopt-Long:0 (perl-core/Getopt-Long-2.410.0::gentoo, ebuild scheduled for merge) conflicts with ~perl-core/Getopt-Long-2.390.0 required by (virtual/perl-Getopt-Long-2.390.0::gentoo, ebuild scheduled for merge)
kind of related bug is https://bugs.gentoo.org/show_bug.cgi?id=421103
These should all be fixed now. Thanks for reporting.