ASAN error in _CalendarGregorian calendar implementation #149

Job	Run time
Test / Linux (nightly-main - jammy)	11m 16s
Test / Windows (nightly-main - windows-2019)	20m 25s
Test / macOS (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})	0s
Soundness / Broken symlinks check	5s
Soundness / Shell check	37s
Soundness / YAML lint check	5s
Soundness / Python lint check	10s
Soundness / API breakage check	-1s
Soundness / Format check	-1s
Soundness / Unacceptable language check	-1s
Soundness / Documentation check	-1s
Soundness / License headers check	-1s
	32m 33s

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