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

Calculating dependencies ... done!
Dependency resolution took 1.50 s (backtrack: 0/20).

[ebuild     UD ] media-libs/tiff-4.5.1:0/6::gentoo [4.7.1:0/6::gentoo] USE="cxx jpeg zlib -jbig -lzma -static-libs -test -verify-sig -webp -zstd (-lerc%) (-libdeflate%) (-opengl%*)" 2176 KiB

Total: 1 package (1 downgrade), Size of downloads: 2176 KiB