Optimize the first function arg to not spill #214

Job	Run time
docker	1m 22s
thirdparty-tests (test_cello)	16s
thirdparty-tests (test_curl)	9m 5s
thirdparty-tests (test_doom)	15s
thirdparty-tests (test_git)	9m 47s
thirdparty-tests (test_libpng)	2m 18s
thirdparty-tests (test_libuev)	41s
thirdparty-tests (test_lua)	32s
thirdparty-tests (test_metalang99)	54s
thirdparty-tests (test_oniguruma_jq)	56s
thirdparty-tests (test_openssh)	5m 2s
thirdparty-tests (test_openssl)	12m 30s
thirdparty-tests (test_perl)	11m 12s
thirdparty-tests (test_php)	6m 34s
thirdparty-tests (test_postgres)	4m 1s
thirdparty-tests (test_python)	10m 32s
thirdparty-tests (test_qbe_hare)	23s
thirdparty-tests (test_sqlite)	3m 59s
thirdparty-tests (test_tinycc)	31s
thirdparty-tests (test_toxcore)	4m 44s
thirdparty-tests (test_toybox)	54s
thirdparty-tests (test_vim)	2m 2s
thirdparty-tests (test_zlib)	26s
thirdparty-tests (test_zstd)	1m 30s
thirdparty-tests (build_gcc)	13m 19s
thirdparty-tests (build_musl)	1m 22s
thirdparty-tests (build_nano)	2m 12s
thirdparty-tests (build_sdl)	1m 35s
thirdparty-tests (build_zig)	8m 3s
	1h 56m 57s

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