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

Calculating dependencies ... done!
Dependency resolution took 1.07 s (backtrack: 0/20).

[ebuild  N     ] dev-debug/gdb-18.1::gentoo  USE="cet debuginfod nls python server xml -guile -lzma -multitarget -rocm -sim -source-highlight -test -vanilla -xxhash -zstd" GUILE_SINGLE_TARGET="3-0 -2-2" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13" 21640 KiB
[ebuild  N     ] dev-debug/leaktracer-2.4-r3::gentoo  12 KiB

Total: 2 packages (2 new), Size of downloads: 21652 KiB