tree e9072e4adbe9d562b900a36984a6e661d5d6e323
parent 4f393bd5152a4867345fa49f7545be4cf2347006
author Jerry Berg <107155935+googleberg@users.noreply.github.com> 1668456879 -0700
committer GitHub <noreply@github.com> 1668456879 -0700
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Mark nested builder as clean after clear is called

Omitting this step was leading to stale cached versions of nested messages.
See https://github.com/protocolbuffers/protobuf/issues/10624