wip: reference arg usage pass #3435

Job	Run time
macOS / release / homebrew-clang	8m 14s
Windows / release / msvc	27m 2s
macOS / debug / homebrew-clang	5m 43s
Windows / release / clang-cl	21m 44s
macOS / release / system-clang	4m 12s
Windows / release / llvm	28m 19s
macOS / debug / system-clang	4m 47s
Windows / debug / msvc	23m 45s
Windows / debug / clang-cl	21m 45s
Windows / debug / llvm	23m 27s
	2h 48m 58s

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