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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild   R    ] dev-libs/mpfr-4.2.2:0/6::gentoo  USE="-static-libs -verify-sig" 1471 KiB

Total: 1 package (1 reinstall), Size of downloads: 1471 KiB