dirty MVAR after mutating TSO queue head
This patch adds a missing "dirty_MVAR" call to 3 similar variants of putMVar, resolving #18919 (closed)
Identical to !4557 (closed) which is the 8.10 version.
Due to a large amount of spam we do not allow new users to create repositories, they are "external" users. If you are a new user and want to create a repository, for example for forking GHC, open a new issue on ghc/ghc using the "get-verified" issue template
This patch adds a missing "dirty_MVAR" call to 3 similar variants of putMVar, resolving #18919 (closed)
Identical to !4557 (closed) which is the 8.10 version.