wip: support for command line without `.exe` #870

Job	Run time
windows-2019 / Release / cl	36m 36s
windows-2019 / Release / clang	36m 50s
windows-2019 / Release / clang-cl	45m 49s
macos-13 / Release / homebrew-clang	21m 48s
windows-2019 / Debug / cl	35m 14s
ubuntu-22.04 / Release / gcc-11	25m 23s
macos-13 / Debug / homebrew-clang	21m 59s
windows-2019 / Debug / clang	34m 32s
ubuntu-22.04 / Debug / gcc-11	22m 26s
windows-2019 / Debug / clang-cl	32m 52s
ubuntu-22.04 / Release / gcc-12	28m 42s
windows-2022 / Release / cl	37m 49s
ubuntu-22.04 / Debug / gcc-12	24m 59s
windows-2022 / Release / clang	39m 20s
ubuntu-22.04 / Release / gcc-13	26m 10s
windows-2022 / Release / clang-cl	40m 11s
windows-2022 / Debug / cl	32m 10s
ubuntu-22.04 / Debug / gcc-13	23m 7s
windows-2022 / Debug / clang	36m 40s
ubuntu-22.04 / Release / clang-14	25m 22s
windows-2022 / Debug / clang-cl	34m 39s
ubuntu-22.04 / Debug / clang-14	24m 14s
ubuntu-22.04 / Release / clang-15	29m 1s
ubuntu-22.04 / Debug / clang-15	19m 18s
ubuntu-22.04 / Release / clang-16	29m 37s
ubuntu-22.04 / Debug / clang-16	20m 40s
ubuntu-22.04 / Release / clang-17	25m 0s
ubuntu-22.04 / Debug / clang-17	21m 7s
	13h 51m 35s

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