!4460: 9.0 - dirty MVAR after mutating TSO queue head · Merge requests · Glasgow Haskell Compiler / GHC

vdukhovni requested to merge trac-vdukhovni/ghc:putMVar-tso-queue-gc-9.0 into ghc-9.0 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.

Edited Nov 21, 2020 by vdukhovni

9.0 - dirty MVAR after mutating TSO queue head

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