build

Merge pull request #3208 from DoubleThoughtTheProgrammer/large-unions #4672

Job	Run time
compile (macos-latest, darwin, darwin-x64)	1m 19s
compile (ubuntu-22.04, linux, linux-x64)	5m 15s
compile (ubuntu-22.04, linux, linux-x64, alpine:latest, musl)	2m 13s
compile (windows-latest, windows, win32-ia32)	3m 24s
compile (windows-latest, windows, win32-x64)	3m 6s
compile (ubuntu-22.04, linux, linux-arm64)	1m 56s
compile (macos-latest, darwin, darwin-arm64)	2m 1s
	19m 14s

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