Merge branch '4620_use_after_free' #142

Job	Run time
call-build-alpine / build-alpine	2m 16s
call-build-fedora / build-fedora	1m 51s
call-build-freebsd / build-freebsd	3m 4s
call-build-macos / build-macos	1m 36s
call-build-solaris / build-solaris	5m 25s
call-build-ubuntu / build-ubuntu	4m 14s
	18m 26s

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