dirty MVAR after mutating TSO queue head (!4458) · Merge requests · Glasgow Haskell Compiler / GHC

Closed vdukhovni requested to merge trac-vdukhovni/ghc:putMVar-tso-queue-gc into master Nov 15, 2020

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.