Craig Tiller 9be83eec1d Fix use-after-free. %!s(int64=11) %!d(string=hai) anos
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channel_stack_test.c 9be83eec1d Fix use-after-free. %!s(int64=11) %!d(string=hai) anos
metadata_buffer_test.c 9be83eec1d Fix use-after-free. %!s(int64=11) %!d(string=hai) anos