Ensure units are all created with matching tags #9966

Job	Run time
ormolu	5s
build ucm (ubuntu-20.04)	2m 46s
build ucm (macOS-13)	10m 21s
build ucm (windows-2019)	5m 35s
generate jit source	6s
run interpreter tests (ubuntu-20.04)	1m 1s
run interpreter tests (macos-13)	2m 43s
run transcripts (ubuntu-20.04)	4m 0s
run transcripts (macos-13)	7m 58s
run transcripts (windows-2019)	7m 59s
build jit binary / build jit binary (ubuntu-20.04)	14s
build jit binary / build jit binary (macOS-13)	22s
build jit binary / build jit binary (windows-2019)	15s
test jit / test jit (ubuntu-20.04)	7s
test jit / test jit (macOS-13)	12s
	43m 44s

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