macOS

Improve performance of UnicodeNormalize.canonical_ordering_one #94

Job	Run time
make (check, macos-14, --with-gcc=gcc-14)	10m 5s
make (check, macos-14)	7m 29s
make (check, macos-14, --with-gmp)	6m 53s
make (test-bundler-parallel, macos-14)	17m 28s
make (check, macos-14, --with-jemalloc --with-opt-dir=$(brew --prefix jemalloc))	8m 51s
make (test-all, --repeat-count=2, macos-14)	7m 21s
make (test-bundled-gems, macos-14)	12m 57s
make (check, macos-15)	8m 31s
make (check, macos-13)	9m 51s
macOS result	4s
	1h 29m 30s

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