These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 7.08 s (backtrack: 8/20).

[ebuild  N     ] virtual/perl-Test2-Suite-1.302.210::gentoo  0 KiB
[ebuild  N     ] dev-perl/PadWalker-2.500.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 16 KiB
[ebuild  N     ] dev-perl/Scalar-Readonly-0.30.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 13 KiB
[ebuild  N     ] dev-perl/CPAN-Meta-Requirements-2.145.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 34 KiB
[ebuild  N     ] virtual/perl-Getopt-Long-2.580.0-r2::gentoo  0 KiB
[ebuild  N     ] dev-perl/ExtUtils-Config-0.10.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 14 KiB
[ebuild  N     ] dev-perl/Sub-Install-0.929.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 21 KiB
[ebuild  N     ] dev-perl/Importer-0.26.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 41 KiB
[ebuild  N     ] dev-perl/File-chdir-0.101.100-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 25 KiB
[ebuild  N     ] dev-perl/Test2-Tools-Explain-0.20.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 4 KiB
[ebuild  N     ] dev-perl/Unicode-UTF8-0.620.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 86 KiB
[ebuild  N     ] dev-perl/ExtUtils-Helpers-0.28.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 17 KiB
[ebuild  N     ] dev-perl/ExtUtils-HasCompiler-0.25.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 16 KiB
[ebuild  N     ] dev-perl/Path-Tiny-0.150.0::gentoo  USE="-minimal -test" PERL_FEATURES="ithreads (-debug) -quadmath" 104 KiB
[ebuild  N     ] dev-perl/ExtUtils-InstallPaths-0.15.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 19 KiB
[ebuild  N     ] dev-perl/CPAN-Requirements-Dynamic-0.1.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 14 KiB
[ebuild  N     ] dev-perl/Data-OptList-0.114.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 20 KiB
[ebuild  N     ] dev-perl/Module-Build-Tiny-0.52.0::gentoo  USE="-minimal -test" PERL_FEATURES="ithreads (-debug) -quadmath" 23 KiB
[ebuild  N     ] dev-perl/Sub-Exporter-0.991.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 57 KiB
[ebuild  N     ] dev-perl/Sub-Exporter-Progressive-0.1.13-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 14 KiB
[ebuild  N     ] dev-perl/Const-Fast-0.14.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 13 KiB
[ebuild  N     ] dev-perl/Test-Expander-2.5.0-r4::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 41 KiB

Total: 22 packages (22 new), Size of downloads: 583 KiB

WARNING: One or more updates/rebuilds have been skipped due to a dependency conflict:

dev-lang/perl:0

  (dev-lang/perl-5.44.0:0/5.44::gentoo, ebuild scheduled for merge) USE="gdbm -berkdb -doc -minimal" PERL_FEATURES="ithreads (-debug) -quadmath" conflicts with
    =dev-lang/perl-5.42* required by (virtual/perl-IO-1.550.0-r1:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-File-Spec-3.940.0:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-ExtUtils-MakeMaker-7.760.0:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-XSLoader-0.320.0-r2:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-CPAN-Meta-2.150.10-r11:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-version-0.993.300:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-File-Path-2.180.0-r4:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-ExtUtils-ParseXS-3.570.0:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Data-Dumper-2.192.0:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Text-ParseWords-3.310.0-r4:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Exporter-5.790.0:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Digest-MD5-2.590.0:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Module-Metadata-1.0.38-r1:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-IO-1.550.0-r1:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Digest-SHA-6.40.0-r2:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-ExtUtils-MakeMaker-7.760.0:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-podlators-6.0.2:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-XSLoader-0.320.0-r2:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-JSON-PP-4.160.0-r3:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-libnet-3.150.0-r2:0/0::gentoo, installed) USE="ssl"
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-CPAN-Meta-2.150.10-r11:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-File-Path-2.180.0-r4:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Scalar-List-Utils-1.680.100_rc:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Storable-3.370.0:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-ExtUtils-CBuilder-0.280.242-r2:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Exporter-5.790.0:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Module-Metadata-1.0.38-r1:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Carp-1.540.0-r2:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Digest-SHA-6.40.0-r2:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-File-Spec-3.940.0:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-podlators-6.0.2:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-JSON-PP-4.160.0-r3:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-libnet-3.150.0-r2:0/0::gentoo, installed) USE="ssl"
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-version-0.993.300:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Scalar-List-Utils-1.680.100_rc:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-ExtUtils-ParseXS-3.570.0:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Storable-3.370.0:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Data-Dumper-2.192.0:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Text-ParseWords-3.310.0-r4:0/0::gentoo, installed) USE=""
    ^              ^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-ExtUtils-CBuilder-0.280.242-r2:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    dev-lang/perl:0/5.42= required by (virtual/perl-Carp-1.540.0-r2:0/0::gentoo, installed) USE=""
                 ^^^^^^^^
    =dev-lang/perl-5.42* required by (virtual/perl-Digest-MD5-2.590.0:0/0::gentoo, installed) USE=""
    ^              ^^^^^


!!! The following update(s) have been skipped due to unsatisfied dependencies
!!! triggered by backtracking:

virtual/perl-Test2-Suite:0
virtual/perl-Encode:0
virtual/perl-Math-BigInt:0
virtual/perl-Test-Harness:0