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

Calculating dependencies ... done!
Dependency resolution took 1.08 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/tinyxml2-11.0.0:0/11::gentoo  USE="-test" 628 KiB
[ebuild  N     ] dev-libs/libpcre-8.45-r4:3::gentoo  USE="bzip2 cxx jit pcre16 readline (unicode) zlib -libedit -pcre32 -static-libs -valgrind" 1542 KiB
[ebuild  N     ] dev-util/cppcheck-2.18.2::gentoo  USE="pcre -charts -gui -htmlreport -test" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13" 3839 KiB

Total: 3 packages (3 new), Size of downloads: 6009 KiB